Improve perf for backtests

src/Managing.Api/Controllers/DataController.cs

@@ -346,7 +346,7 @@ public class DataController : ControllerBase
             {
                 // Map ScenarioRequest to domain Scenario object
                 var domainScenario = MapScenarioRequestToScenario(request.Scenario);
-                indicatorsValues = _tradingService.CalculateIndicatorsValuesAsync(domainScenario, candles);
+                indicatorsValues = await _tradingService.CalculateIndicatorsValuesAsync(domainScenario, candles);
             }
 
             return Ok(new CandlesWithIndicatorsResponse

src/Managing.Application.Abstractions/Services/ITradingService.cs

@@ -58,7 +58,7 @@ public interface ITradingService
     /// <param name="scenario">The scenario containing indicators.</param>
     /// <param name="candles">The candles to calculate indicators for.</param>
     /// <returns>A dictionary of indicator types to their calculated values.</returns>
-    Dictionary<IndicatorType, IndicatorsResultBase> CalculateIndicatorsValuesAsync(
+    Task<Dictionary<IndicatorType, IndicatorsResultBase>> CalculateIndicatorsValuesAsync(
         Scenario scenario,
         HashSet<Candle> candles);
 

src/Managing.Application/Backtests/BacktestExecutor.cs

@@ -3,13 +3,16 @@ using Managing.Application.Abstractions.Repositories;
 using Managing.Application.Abstractions.Services;
 using Managing.Application.Bots;
 using Managing.Common;
+using Managing.Core;
 using Managing.Domain.Backtests;
 using Managing.Domain.Bots;
 using Managing.Domain.Candles;
 using Managing.Domain.Shared.Helpers;
+using Managing.Domain.Strategies.Base;
 using Managing.Domain.Users;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
+using static Managing.Common.Enums;
 
 namespace Managing.Application.Backtests;
 
@@ -76,7 +79,7 @@ public class BacktestExecutor
         }
 
         // Create a fresh TradingBotBase instance for this backtest
-        var tradingBot = await CreateTradingBotInstance(config);
+        var tradingBot = CreateTradingBotInstance(config);
         tradingBot.Account = user.Accounts.First();
 
         var totalCandles = candles.Count;
@@ -86,6 +89,41 @@ public class BacktestExecutor
         _logger.LogInformation("Backtest requested by {UserId} with {TotalCandles} candles for {Ticker} on {Timeframe}",
             user.Id, totalCandles, config.Ticker, config.Timeframe);
 
+        // Pre-calculate indicator values once for all candles to optimize performance
+        // This avoids recalculating indicators for every candle iteration
+        Dictionary<IndicatorType, IndicatorsResultBase> preCalculatedIndicatorValues = null;
+        if (config.Scenario != null)
+        {
+            try
+            {
+                _logger.LogInformation("Pre-calculating indicator values for {IndicatorCount} indicators", 
+                    config.Scenario.Indicators?.Count ?? 0);
+                
+                // Convert LightScenario to Scenario for CalculateIndicatorsValuesAsync
+                var scenario = config.Scenario.ToScenario();
+                
+                // Calculate all indicator values once with all candles
+                preCalculatedIndicatorValues = await ServiceScopeHelpers.WithScopedService<ITradingService, Dictionary<IndicatorType, IndicatorsResultBase>>(
+                    _scopeFactory,
+                    async tradingService =>
+                    {
+                        return await tradingService.CalculateIndicatorsValuesAsync(scenario, candles);
+                    });
+                
+                // Store pre-calculated values in trading bot for use during signal generation
+                tradingBot.PreCalculatedIndicatorValues = preCalculatedIndicatorValues;
+                
+                _logger.LogInformation("Successfully pre-calculated indicator values for {IndicatorCount} indicator types",
+                    preCalculatedIndicatorValues?.Count ?? 0);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogWarning(ex, "Failed to pre-calculate indicator values, will calculate on-the-fly. Error: {ErrorMessage}", ex.Message);
+                // Continue with normal calculation if pre-calculation fails
+                preCalculatedIndicatorValues = null;
+            }
+        }
+
         // Initialize wallet balance with first candle
         tradingBot.WalletBalances.Clear();
         tradingBot.WalletBalances.Add(candles.FirstOrDefault()!.Date, config.BotTradingBalance);
@@ -239,7 +277,7 @@ public class BacktestExecutor
     /// <summary>
     /// Creates a TradingBotBase instance for backtesting
     /// </summary>
-    private async Task<TradingBotBase> CreateTradingBotInstance(TradingBotConfig config)
+    private TradingBotBase CreateTradingBotInstance(TradingBotConfig config)
     {
         // Validate configuration for backtesting
         if (config == null)

src/Managing.Application/Backtests/Backtester.cs

@@ -139,41 +139,6 @@ namespace Managing.Application.Backtests
             return await RunTradingBotBacktest(config, startDate, endDate, user, false, withCandles, requestId, metadata);
         }
 
-        // Removed RunBacktestWithCandles - backtests now run via compute workers
-        // This method is kept for backward compatibility but should not be called directly
-
-        private async Task<HashSet<Candle>> GetCandles(Ticker ticker, Timeframe timeframe,
-            DateTime startDate, DateTime endDate)
-        {
-            var candles = await _exchangeService.GetCandlesInflux(TradingExchanges.Evm, ticker,
-                startDate, timeframe, endDate);
-
-            if (candles == null || candles.Count == 0)
-                throw new Exception(
-                    $"No candles for {ticker} on {timeframe} timeframe for start {startDate} to end {endDate}");
-
-            return candles;
-        }
-
-
-        // Removed CreateCleanConfigForOrleans - no longer needed with job queue approach
-
-        private async Task SendBacktestNotificationIfCriteriaMet(Backtest backtest)
-        {
-            try
-            {
-                if (backtest.Score > 60)
-                {
-                    await _messengerService.SendBacktestNotification(backtest);
-                }
-            }
-            catch (Exception ex)
-            {
-                _logger.LogError(ex, "Failed to send backtest notification for backtest {Id}", backtest.Id);
-            }
-        }
-
-
         public async Task<bool> DeleteBacktestAsync(string id)
         {
             try
@@ -243,7 +208,6 @@ namespace Managing.Application.Backtests
             return (backtests, totalCount);
         }
 
-
         public async Task<Backtest> GetBacktestByIdForUserAsync(User user, string id)
         {
             var backtest = await _backtestRepository.GetBacktestByIdForUserAsync(user, id);
@@ -605,7 +569,5 @@ namespace Managing.Application.Backtests
             if (string.IsNullOrWhiteSpace(requestId) || response == null) return;
             await _hubContext.Clients.Group($"bundle-{requestId}").SendAsync("BundleBacktestUpdate", response);
         }
-
-        // Removed TriggerBundleBacktestGrain methods - bundle backtests now use job queue
     }
 }

src/Managing.Application/Bots/TradingBotBase.cs

@@ -14,6 +14,7 @@ using Managing.Domain.Indicators;
 using Managing.Domain.Scenarios;
 using Managing.Domain.Shared.Helpers;
 using Managing.Domain.Strategies;
+using Managing.Domain.Strategies.Base;
 using Managing.Domain.Synth.Models;
 using Managing.Domain.Trades;
 using Microsoft.Extensions.DependencyInjection;
@@ -28,7 +29,9 @@ public class TradingBotBase : ITradingBot
     public readonly ILogger<TradingBotBase> Logger;
     private readonly IServiceScopeFactory _scopeFactory;
     private const int NEW_POSITION_GRACE_SECONDS = 45; // grace window before evaluating missing orders
-    private const int CLOSE_POSITION_GRACE_MS = 20000; // grace window before closing position to allow broker processing (20 seconds)
+
+    private const int
+        CLOSE_POSITION_GRACE_MS = 20000; // grace window before closing position to allow broker processing (20 seconds)
 
     public TradingBotConfig Config { get; set; }
     public Account Account { get; set; }
@@ -42,6 +45,12 @@ public class TradingBotBase : ITradingBot
     public Candle LastCandle { get; set; }
     public DateTime? LastPositionClosingTime { get; set; }
 
+    /// <summary>
+    /// Pre-calculated indicator values for backtesting optimization.
+    /// Key is IndicatorType, Value is the calculated indicator result.
+    /// </summary>
+    public Dictionary<IndicatorType, IndicatorsResultBase> PreCalculatedIndicatorValues { get; set; }
+
 
     public TradingBotBase(
         ILogger<TradingBotBase> logger,
@@ -56,6 +65,7 @@ public class TradingBotBase : ITradingBot
         Positions = new Dictionary<Guid, Position>();
         WalletBalances = new Dictionary<DateTime, decimal>();
         PreloadSince = CandleHelpers.GetBotPreloadSinceFromTimeframe(config.Timeframe);
+        PreCalculatedIndicatorValues = new Dictionary<IndicatorType, IndicatorsResultBase>();
     }
 
     public async Task Start(BotStatus previousStatus)
@@ -269,7 +279,8 @@ public class TradingBotBase : ITradingBot
         if (Config.IsForBacktest && candles != null)
         {
             var backtestSignal =
-                TradingBox.GetSignal(candles, Config.Scenario, Signals, Config.Scenario.LoopbackPeriod);
+                TradingBox.GetSignal(candles, Config.Scenario, Signals, Config.Scenario.LoopbackPeriod,
+                    PreCalculatedIndicatorValues);
             if (backtestSignal == null) return;
             await AddSignal(backtestSignal);
         }
@@ -768,7 +779,8 @@ public class TradingBotBase : ITradingBot
                         await LogInformation(
                             $"⏰ Time Limit Close\nClosing position due to time limit: `{Config.MaxPositionTimeHours}h` exceeded\n📈 Position Status: {profitStatus}\n💰 Entry: `${positionForSignal.Open.Price}` → Current: `${lastCandle.Close}`\n📊 Realized PNL: `${currentPnl:F2}` (`{pnlPercentage:F2}%`)");
                         // Force a market close: compute PnL based on current price instead of SL/TP
-                        await CloseTrade(signal, positionForSignal, positionForSignal.Open, lastCandle.Close, true, true);
+                        await CloseTrade(signal, positionForSignal, positionForSignal.Open, lastCandle.Close, true,
+                            true);
                         return;
                     }
                 }
@@ -1355,7 +1367,8 @@ public class TradingBotBase : ITradingBot
                         await SetPositionStatus(signal.Identifier, PositionStatus.Finished);
                     }
 
-                    await HandleClosedPosition(closedPosition, forceMarketClose ? lastPrice : (decimal?)null, forceMarketClose);
+                    await HandleClosedPosition(closedPosition, forceMarketClose ? lastPrice : (decimal?)null,
+                        forceMarketClose);
                 }
                 else
                 {
@@ -1371,13 +1384,15 @@ public class TradingBotBase : ITradingBot
                     // Trade close on exchange => Should close trade manually
                     await SetPositionStatus(signal.Identifier, PositionStatus.Finished);
                     // Ensure trade dates are properly updated even for canceled/rejected positions
-                    await HandleClosedPosition(position, forceMarketClose ? lastPrice : (decimal?)null, forceMarketClose);
+                    await HandleClosedPosition(position, forceMarketClose ? lastPrice : (decimal?)null,
+                        forceMarketClose);
                 }
             }
         }
     }
 
-    private async Task HandleClosedPosition(Position position, decimal? forcedClosingPrice = null, bool forceMarketClose = false)
+    private async Task HandleClosedPosition(Position position, decimal? forcedClosingPrice = null,
+        bool forceMarketClose = false)
     {
         if (Positions.ContainsKey(position.Identifier))
         {

src/Managing.Application/Trading/TradingService.cs

@@ -435,9 +435,12 @@ public class TradingService : ITradingService
     /// <param name="scenario">The scenario containing indicators.</param>
     /// <param name="candles">The candles to calculate indicators for.</param>
     /// <returns>A dictionary of indicator types to their calculated values.</returns>
-    public Dictionary<IndicatorType, IndicatorsResultBase> CalculateIndicatorsValuesAsync(
+    public async Task<Dictionary<IndicatorType, IndicatorsResultBase>> CalculateIndicatorsValuesAsync(
         Scenario scenario,
         HashSet<Candle> candles)
+    {
+        // Offload CPU-bound indicator calculations to thread pool
+        return await Task.Run(() =>
         {
             var indicatorsValues = new Dictionary<IndicatorType, IndicatorsResultBase>();
 
@@ -462,6 +465,7 @@ public class TradingService : ITradingService
             }
 
             return indicatorsValues;
+        });
     }
 
     public async Task<IndicatorBase?> GetIndicatorByNameUserAsync(string name, User user)

src/Managing.Domain/Indicators/Context/StDevContext.cs

@@ -28,11 +28,71 @@ public class StDevContext : IndicatorBase
         try
         {
             var stDev = candles.GetStdDev(Period.Value).ToList();
-            var stDevCandles = MapStDev(stDev, candles.TakeLast(Period.Value));
-
             if (stDev.Count == 0)
                 return null;
 
+            ProcessStDevSignals(stDev, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Runs the indicator using pre-calculated StdDev values for performance optimization.
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        if (candles.Count <= Period)
+        {
+            return null;
+        }
+
+        try
+        {
+            // Use pre-calculated StdDev values if available
+            List<StdDevResult> stDev = null;
+            if (preCalculatedValues?.StdDev != null && preCalculatedValues.StdDev.Any())
+            {
+                // Filter pre-calculated StdDev values to match the candles we're processing
+                stDev = preCalculatedValues.StdDev
+                    .Where(s => candles.Any(c => c.Date == s.Date))
+                    .OrderBy(s => s.Date)
+                    .ToList();
+            }
+
+            // If no pre-calculated values or they don't match, fall back to regular calculation
+            if (stDev == null || !stDev.Any())
+            {
+                return Run(candles);
+            }
+
+            ProcessStDevSignals(stDev, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Processes StdDev context signals based on Z-score volatility analysis.
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="stDev">List of StdDev calculation results</param>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessStDevSignals(List<StdDevResult> stDev, HashSet<Candle> candles)
+    {
+        var stDevCandles = MapStDev(stDev, candles.TakeLast(Period.Value));
+
+        if (stDevCandles.Count == 0)
+            return;
+
         var lastCandle = stDevCandles.Last();
         var zScore = lastCandle.ZScore ?? 0;
 
@@ -65,13 +125,6 @@ public class StDevContext : IndicatorBase
         // Context strategies always return TradeDirection.None
         // The confidence level indicates the quality of market conditions
         AddSignal(lastCandle, TradeDirection.None, confidence);
-
-            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
-        }
-        catch (RuleException)
-        {
-            return null;
-        }
     }
 
     public override IndicatorsResultBase GetIndicatorValues(HashSet<Candle> candles)

src/Managing.Domain/Indicators/IIndicator.cs

@@ -20,6 +20,16 @@ namespace Managing.Domain.Strategies
         int? CyclePeriods { get; set; }
 
         List<LightSignal> Run(HashSet<Candle> candles);
+        
+        /// <summary>
+        /// Runs the indicator using pre-calculated indicator values for performance optimization.
+        /// If pre-calculated values are not available or not applicable, falls back to regular Run().
+        /// </summary>
+        /// <param name="candles">The candles to process</param>
+        /// <param name="preCalculatedValues">Pre-calculated indicator values (optional)</param>
+        /// <returns>List of signals generated by the indicator</returns>
+        List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues);
+        
         IndicatorsResultBase GetIndicatorValues(HashSet<Candle> candles);
     }
 }

src/Managing.Domain/Indicators/IndicatorBase.cs

@@ -46,6 +46,17 @@ namespace Managing.Domain.Strategies
             throw new NotImplementedException();
         }
 
+        /// <summary>
+        /// Runs the indicator using pre-calculated values if available, otherwise falls back to regular Run().
+        /// Default implementation falls back to regular Run() - override in derived classes to use pre-calculated values.
+        /// </summary>
+        public virtual List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+        {
+            // Default implementation: ignore pre-calculated values and use regular Run()
+            // Derived classes should override this to use pre-calculated values for performance
+            return Run(candles);
+        }
+
         public virtual IndicatorsResultBase GetIndicatorValues(HashSet<Candle> candles)
         {
             throw new NotImplementedException();

src/Managing.Domain/Indicators/Signals/ChandelierExitIndicatorBase.cs

@@ -30,8 +30,7 @@ public class ChandelierExitIndicatorBase : IndicatorBase
 
         try
         {
-            GetSignals(ChandelierType.Long, candles);
-            GetSignals(ChandelierType.Short, candles);
+            ProcessChandelierSignals(candles);
 
             return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
         }
@@ -41,6 +40,77 @@ public class ChandelierExitIndicatorBase : IndicatorBase
         }
     }
 
+    /// <summary>
+    /// Runs the indicator using pre-calculated Chandelier values for performance optimization.
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        if (candles.Count <= MinimumHistory)
+        {
+            return null;
+        }
+
+        try
+        {
+            // Use pre-calculated Chandelier values if available
+            List<ChandelierResult> chandelierLong = null;
+            List<ChandelierResult> chandelierShort = null;
+            if (preCalculatedValues?.ChandelierLong != null && preCalculatedValues.ChandelierLong.Any() &&
+                preCalculatedValues?.ChandelierShort != null && preCalculatedValues.ChandelierShort.Any())
+            {
+                // Filter pre-calculated Chandelier values to match the candles we're processing
+                chandelierLong = preCalculatedValues.ChandelierLong
+                    .Where(c => c.ChandelierExit.HasValue && candles.Any(candle => candle.Date == c.Date))
+                    .OrderBy(c => c.Date)
+                    .ToList();
+                chandelierShort = preCalculatedValues.ChandelierShort
+                    .Where(c => c.ChandelierExit.HasValue && candles.Any(candle => candle.Date == c.Date))
+                    .OrderBy(c => c.Date)
+                    .ToList();
+            }
+
+            // If no pre-calculated values or they don't match, fall back to regular calculation
+            if (chandelierLong == null || !chandelierLong.Any() || chandelierShort == null || !chandelierShort.Any())
+            {
+                return Run(candles);
+            }
+
+            ProcessChandelierSignalsWithPreCalculated(chandelierLong, chandelierShort, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Processes Chandelier signals for both Long and Short types.
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessChandelierSignals(HashSet<Candle> candles)
+    {
+        GetSignals(ChandelierType.Long, candles);
+        GetSignals(ChandelierType.Short, candles);
+    }
+
+    /// <summary>
+    /// Processes Chandelier signals using pre-calculated values.
+    /// </summary>
+    /// <param name="chandelierLong">Pre-calculated Long Chandelier values</param>
+    /// <param name="chandelierShort">Pre-calculated Short Chandelier values</param>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessChandelierSignalsWithPreCalculated(
+        List<ChandelierResult> chandelierLong,
+        List<ChandelierResult> chandelierShort,
+        HashSet<Candle> candles)
+    {
+        GetSignalsWithPreCalculated(ChandelierType.Long, chandelierLong, candles);
+        GetSignalsWithPreCalculated(ChandelierType.Short, chandelierShort, candles);
+    }
+
     public override IndicatorsResultBase GetIndicatorValues(HashSet<Candle> candles)
     {
         return new IndicatorsResultBase()
@@ -54,9 +124,28 @@ public class ChandelierExitIndicatorBase : IndicatorBase
     {
         var chandelier = candles.GetChandelier(Period.Value, Multiplier.Value, chandelierType)
             .Where(s => s.ChandelierExit.HasValue).ToList();
-        var chandelierCandle = MapChandelierToCandle(chandelier, candles.TakeLast(MinimumHistory));
-        var previousCandle = chandelierCandle[0];
+        ProcessChandelierSignalsForType(chandelier, chandelierType, candles);
+    }
 
+    private void GetSignalsWithPreCalculated(ChandelierType chandelierType, List<ChandelierResult> chandelier, HashSet<Candle> candles)
+    {
+        ProcessChandelierSignalsForType(chandelier, chandelierType, candles);
+    }
+
+    /// <summary>
+    /// Processes Chandelier signals for a specific type (Long or Short).
+    /// This method is shared between regular and optimized signal processing.
+    /// </summary>
+    /// <param name="chandelier">Chandelier calculation results</param>
+    /// <param name="chandelierType">Type of Chandelier (Long or Short)</param>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessChandelierSignalsForType(List<ChandelierResult> chandelier, ChandelierType chandelierType, HashSet<Candle> candles)
+    {
+        var chandelierCandle = MapChandelierToCandle(chandelier, candles.TakeLast(MinimumHistory));
+        if (chandelierCandle.Count == 0)
+            return;
+
+        var previousCandle = chandelierCandle[0];
         foreach (var currentCandle in chandelierCandle.Skip(1))
         {
             // Short

src/Managing.Domain/Indicators/Signals/DualEmaCrossIndicatorBase.cs

@@ -42,10 +42,77 @@ public class DualEmaCrossIndicatorBase : EmaBaseIndicatorBase
             var fastEma = candles.GetEma(FastPeriods.Value).ToList();
             var slowEma = candles.GetEma(SlowPeriods.Value).ToList();
 
+            if (fastEma.Count == 0 || slowEma.Count == 0)
+                return null;
+
+            ProcessDualEmaCrossSignals(fastEma, slowEma, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Runs the indicator using pre-calculated EMA values for performance optimization.
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        if (candles.Count <= MinimumHistory)
+        {
+            return null;
+        }
+
+        try
+        {
+            // Use pre-calculated EMA values if available
+            List<EmaResult> fastEma = null;
+            List<EmaResult> slowEma = null;
+            if (preCalculatedValues?.FastEma != null && preCalculatedValues.FastEma.Any() &&
+                preCalculatedValues?.SlowEma != null && preCalculatedValues.SlowEma.Any())
+            {
+                // Filter pre-calculated EMA values to match the candles we're processing
+                fastEma = preCalculatedValues.FastEma
+                    .Where(e => candles.Any(c => c.Date == e.Date))
+                    .OrderBy(e => e.Date)
+                    .ToList();
+                slowEma = preCalculatedValues.SlowEma
+                    .Where(e => candles.Any(c => c.Date == e.Date))
+                    .OrderBy(e => e.Date)
+                    .ToList();
+            }
+
+            // If no pre-calculated values or they don't match, fall back to regular calculation
+            if (fastEma == null || !fastEma.Any() || slowEma == null || !slowEma.Any())
+            {
+                return Run(candles);
+            }
+
+            ProcessDualEmaCrossSignals(fastEma, slowEma, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Processes dual EMA cross signals based on Fast EMA crossing Slow EMA.
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="fastEma">List of Fast EMA calculation results</param>
+    /// <param name="slowEma">List of Slow EMA calculation results</param>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessDualEmaCrossSignals(List<EmaResult> fastEma, List<EmaResult> slowEma, HashSet<Candle> candles)
+    {
         var dualEmaCandles = MapDualEmaToCandle(fastEma, slowEma, candles.TakeLast(MinimumHistory));
 
         if (dualEmaCandles.Count < 2)
-                return null;
+            return;
 
         var previousCandle = dualEmaCandles[0];
         foreach (var currentCandle in dualEmaCandles.Skip(1))
@@ -66,13 +133,6 @@ public class DualEmaCrossIndicatorBase : EmaBaseIndicatorBase
 
             previousCandle = currentCandle;
         }
-
-            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
-        }
-        catch (RuleException)
-        {
-            return null;
-        }
     }
 
     private List<CandleDualEma> MapDualEmaToCandle(List<EmaResult> fastEma, List<EmaResult> slowEma,

src/Managing.Domain/Indicators/Signals/EmaCrossIndicator.cs

@@ -36,11 +36,71 @@ public class EmaCrossIndicator : EmaBaseIndicatorBase
         try
         {
             var ema = candles.GetEma(Period.Value).ToList();
-            var emaCandles = MapEmaToCandle(ema, candles.TakeLast(Period.Value));
-
             if (ema.Count == 0)
                 return null;
 
+            ProcessEmaCrossSignals(ema, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Runs the indicator using pre-calculated EMA values for performance optimization.
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        if (candles.Count <= Period)
+        {
+            return null;
+        }
+
+        try
+        {
+            // Use pre-calculated EMA values if available
+            List<EmaResult> ema = null;
+            if (preCalculatedValues?.Ema != null && preCalculatedValues.Ema.Any())
+            {
+                // Filter pre-calculated EMA values to match the candles we're processing
+                ema = preCalculatedValues.Ema
+                    .Where(e => candles.Any(c => c.Date == e.Date))
+                    .OrderBy(e => e.Date)
+                    .ToList();
+            }
+
+            // If no pre-calculated values or they don't match, fall back to regular calculation
+            if (ema == null || !ema.Any())
+            {
+                return Run(candles);
+            }
+
+            ProcessEmaCrossSignals(ema, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Processes EMA cross signals based on price crossing the EMA line.
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="ema">List of EMA calculation results</param>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessEmaCrossSignals(List<EmaResult> ema, HashSet<Candle> candles)
+    {
+        var emaCandles = MapEmaToCandle(ema, candles.TakeLast(Period.Value));
+
+        if (emaCandles.Count == 0)
+            return;
+
         var previousCandle = emaCandles[0];
         foreach (var currentCandle in emaCandles.Skip(1))
         {
@@ -58,13 +118,6 @@ public class EmaCrossIndicator : EmaBaseIndicatorBase
 
             previousCandle = currentCandle;
         }
-
-            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
-        }
-        catch (RuleException)
-        {
-            return null;
-        }
     }
 
     private void AddSignal(CandleEma candleSignal, TradeDirection direction, Confidence confidence)

src/Managing.Domain/Indicators/Signals/EmaCrossIndicatorBase.cs

@@ -36,11 +36,71 @@ public class EmaCrossIndicatorBase : EmaBaseIndicatorBase
         try
         {
             var ema = candles.GetEma(Period.Value).ToList();
-            var emaCandles = MapEmaToCandle(ema, candles.TakeLast(Period.Value).ToHashSet());
-
             if (ema.Count == 0)
                 return null;
 
+            ProcessEmaCrossSignals(ema, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Runs the indicator using pre-calculated EMA values for performance optimization.
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        if (candles.Count <= Period)
+        {
+            return null;
+        }
+
+        try
+        {
+            // Use pre-calculated EMA values if available
+            List<EmaResult> ema = null;
+            if (preCalculatedValues?.Ema != null && preCalculatedValues.Ema.Any())
+            {
+                // Filter pre-calculated EMA values to match the candles we're processing
+                ema = preCalculatedValues.Ema
+                    .Where(e => candles.Any(c => c.Date == e.Date))
+                    .OrderBy(e => e.Date)
+                    .ToList();
+            }
+
+            // If no pre-calculated values or they don't match, fall back to regular calculation
+            if (ema == null || !ema.Any())
+            {
+                return Run(candles);
+            }
+
+            ProcessEmaCrossSignals(ema, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Processes EMA cross signals based on price crossing the EMA line.
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="ema">List of EMA calculation results</param>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessEmaCrossSignals(List<EmaResult> ema, HashSet<Candle> candles)
+    {
+        var emaCandles = MapEmaToCandle(ema, candles.TakeLast(Period.Value).ToHashSet());
+
+        if (emaCandles.Count == 0)
+            return;
+
         var previousCandle = emaCandles[0];
         foreach (var currentCandle in emaCandles.Skip(1))
         {
@@ -58,13 +118,6 @@ public class EmaCrossIndicatorBase : EmaBaseIndicatorBase
 
             previousCandle = currentCandle;
         }
-
-            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
-        }
-        catch (RuleException)
-        {
-            return null;
-        }
     }
 
     private void AddSignal(CandleEma candleSignal, TradeDirection direction, Confidence confidence)

src/Managing.Domain/Indicators/Signals/LaggingSTC.cs

@@ -38,10 +38,70 @@ public class LaggingSTC : IndicatorBase
         try
         {
             var stc = candles.GetStc(FastPeriods.Value, FastPeriods.Value, SlowPeriods.Value).ToList();
+            if (stc.Count == 0)
+                return null;
+
+            ProcessLaggingStcSignals(stc, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Runs the indicator using pre-calculated STC values for performance optimization.
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        if (candles.Count <= 2 * (SlowPeriods + CyclePeriods))
+        {
+            return null;
+        }
+
+        try
+        {
+            // Use pre-calculated STC values if available
+            List<StcResult> stc = null;
+            if (preCalculatedValues?.Stc != null && preCalculatedValues.Stc.Any())
+            {
+                // Filter pre-calculated STC values to match the candles we're processing
+                stc = preCalculatedValues.Stc
+                    .Where(s => candles.Any(c => c.Date == s.Date))
+                    .OrderBy(s => s.Date)
+                    .ToList();
+            }
+
+            // If no pre-calculated values or they don't match, fall back to regular calculation
+            if (stc == null || !stc.Any())
+            {
+                return Run(candles);
+            }
+
+            ProcessLaggingStcSignals(stc, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Processes Lagging STC signals based on STC values crossing thresholds with volatility confirmation.
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="stc">List of STC calculation results</param>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessLaggingStcSignals(List<StcResult> stc, HashSet<Candle> candles)
+    {
         var stcCandles = MapStcToCandle(stc, candles.TakeLast(CyclePeriods.Value * 3));
 
         if (stcCandles.Count == 0)
-                return null;
+            return;
 
         for (int i = 1; i < stcCandles.Count; i++)
         {
@@ -81,13 +141,6 @@ public class LaggingSTC : IndicatorBase
                 }
             }
         }
-
-            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
-        }
-        catch (RuleException)
-        {
-            return null;
-        }
     }
 
     public override IndicatorsResultBase GetIndicatorValues(HashSet<Candle> candles)

src/Managing.Domain/Indicators/Signals/MacdCrossIndicatorBase.cs

@@ -31,20 +31,74 @@ public class MacdCrossIndicatorBase : IndicatorBase
         try
         {
             var macd = candles.GetMacd(FastPeriods.Value, SlowPeriods.Value, SignalPeriods.Value).ToList();
-            var macdCandle = MapMacdToCandle(macd, candles.TakeLast(SignalPeriods.Value));
-
             if (macd.Count == 0)
                 return null;
 
+            ProcessMacdSignals(macd, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Runs the indicator using pre-calculated MACD values for performance optimization.
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        if (candles.Count <= 2 * (SlowPeriods + SignalPeriods))
+        {
+            return null;
+        }
+
+        try
+        {
+            // Use pre-calculated MACD values if available
+            List<MacdResult> macd = null;
+            if (preCalculatedValues?.Macd != null && preCalculatedValues.Macd.Any())
+            {
+                // Filter pre-calculated MACD values to match the candles we're processing
+                macd = preCalculatedValues.Macd
+                    .Where(m => candles.Any(c => c.Date == m.Date))
+                    .OrderBy(m => m.Date)
+                    .ToList();
+            }
+
+            // If no pre-calculated values or they don't match, fall back to regular calculation
+            if (macd == null || !macd.Any())
+            {
+                return Run(candles);
+            }
+
+            ProcessMacdSignals(macd, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Processes MACD signals based on MACD line crossing the Signal line.
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="macd">List of MACD calculation results</param>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessMacdSignals(List<MacdResult> macd, HashSet<Candle> candles)
+    {
+        var macdCandle = MapMacdToCandle(macd, candles.TakeLast(SignalPeriods.Value));
+
+        if (macdCandle.Count == 0)
+            return;
+
         var previousCandle = macdCandle[0];
         foreach (var currentCandle in macdCandle.Skip(1))
         {
-                // // Only trigger signals when Signal line is outside -100 to 100 range (extreme conditions)
-                // if (currentCandle.Signal < -200 || currentCandle.Signal > 200)
-                // {
-                //    
-                // }
-
             // Check for MACD line crossing below Signal line (bearish cross)
             if (previousCandle.Macd > previousCandle.Signal && currentCandle.Macd < currentCandle.Signal)
             {
@@ -59,13 +113,6 @@ public class MacdCrossIndicatorBase : IndicatorBase
 
             previousCandle = currentCandle;
         }
-
-            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
-        }
-        catch (RuleException)
-        {
-            return null;
-        }
     }
 
     public override IndicatorsResultBase GetIndicatorValues(HashSet<Candle> candles)

src/Managing.Domain/Indicators/Signals/RsiDivergenceConfirmIndicatorBase.cs

@@ -29,18 +29,13 @@ public class RsiDivergenceConfirmIndicatorBase : IndicatorBase
             return null;
         }
 
-        var ticker = candles.First().Ticker;
-
         try
         {
             var rsiResult = candles.TakeLast(10 * Period.Value).GetRsi(Period.Value).ToList();
-            var candlesRsi = MapRsiToCandle(rsiResult, candles.TakeLast(10 * Period.Value));
-
-            if (candlesRsi.Count(c => c.Rsi > 0) == 0)
+            if (rsiResult.Count == 0)
                 return null;
 
-            GetLongSignals(candlesRsi, candles);
-            GetShortSignals(candlesRsi, candles);
+            ProcessRsiDivergenceConfirmSignals(rsiResult, candles);
 
             return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
         }
@@ -50,6 +45,63 @@ public class RsiDivergenceConfirmIndicatorBase : IndicatorBase
         }
     }
 
+    /// <summary>
+    /// Runs the indicator using pre-calculated RSI values for performance optimization.
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        if (candles.Count <= Period)
+        {
+            return null;
+        }
+
+        try
+        {
+            // Use pre-calculated RSI values if available
+            List<RsiResult> rsiResult = null;
+            if (preCalculatedValues?.Rsi != null && preCalculatedValues.Rsi.Any())
+            {
+                // Filter pre-calculated RSI values to match the candles we're processing
+                var relevantCandles = candles.TakeLast(10 * Period.Value);
+                rsiResult = preCalculatedValues.Rsi
+                    .Where(r => relevantCandles.Any(c => c.Date == r.Date))
+                    .OrderBy(r => r.Date)
+                    .ToList();
+            }
+
+            // If no pre-calculated values or they don't match, fall back to regular calculation
+            if (rsiResult == null || !rsiResult.Any())
+            {
+                return Run(candles);
+            }
+
+            ProcessRsiDivergenceConfirmSignals(rsiResult, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Processes RSI divergence confirmation signals based on price and RSI divergence patterns.
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="rsiResult">List of RSI calculation results</param>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessRsiDivergenceConfirmSignals(List<RsiResult> rsiResult, HashSet<Candle> candles)
+    {
+        var candlesRsi = MapRsiToCandle(rsiResult, candles.TakeLast(10 * Period.Value));
+
+        if (candlesRsi.Count(c => c.Rsi > 0) == 0)
+            return;
+
+        GetLongSignals(candlesRsi, candles);
+        GetShortSignals(candlesRsi, candles);
+    }
+
     public override IndicatorsResultBase GetIndicatorValues(HashSet<Candle> candles)
     {
         return new IndicatorsResultBase()

src/Managing.Domain/Indicators/Signals/RsiDivergenceIndicatorBase.cs

@@ -32,18 +32,13 @@ public class RsiDivergenceIndicatorBase : IndicatorBase
             return null;
         }
 
-        var ticker = candles.First().Ticker;
-
         try
         {
             var rsiResult = candles.TakeLast(10 * Period.Value).GetRsi(Period.Value).ToList();
-            var candlesRsi = MapRsiToCandle(rsiResult, candles.TakeLast(10 * Period.Value));
-
-            if (candlesRsi.Count(c => c.Rsi > 0) == 0)
+            if (rsiResult.Count == 0)
                 return null;
 
-            GetLongSignals(candlesRsi, candles);
-            GetShortSignals(candlesRsi, candles);
+            ProcessRsiDivergenceSignals(rsiResult, candles);
 
             return Signals;
         }
@@ -53,6 +48,63 @@ public class RsiDivergenceIndicatorBase : IndicatorBase
         }
     }
 
+    /// <summary>
+    /// Runs the indicator using pre-calculated RSI values for performance optimization.
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        if (!Period.HasValue || candles.Count <= Period)
+        {
+            return null;
+        }
+
+        try
+        {
+            // Use pre-calculated RSI values if available
+            List<RsiResult> rsiResult = null;
+            if (preCalculatedValues?.Rsi != null && preCalculatedValues.Rsi.Any())
+            {
+                // Filter pre-calculated RSI values to match the candles we're processing
+                var relevantCandles = candles.TakeLast(10 * Period.Value);
+                rsiResult = preCalculatedValues.Rsi
+                    .Where(r => relevantCandles.Any(c => c.Date == r.Date))
+                    .OrderBy(r => r.Date)
+                    .ToList();
+            }
+
+            // If no pre-calculated values or they don't match, fall back to regular calculation
+            if (rsiResult == null || !rsiResult.Any())
+            {
+                return Run(candles);
+            }
+
+            ProcessRsiDivergenceSignals(rsiResult, candles);
+
+            return Signals;
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Processes RSI divergence signals based on price and RSI divergence patterns.
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="rsiResult">List of RSI calculation results</param>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessRsiDivergenceSignals(List<RsiResult> rsiResult, HashSet<Candle> candles)
+    {
+        var candlesRsi = MapRsiToCandle(rsiResult, candles.TakeLast(10 * Period.Value));
+
+        if (candlesRsi.Count(c => c.Rsi > 0) == 0)
+            return;
+
+        GetLongSignals(candlesRsi, candles);
+        GetShortSignals(candlesRsi, candles);
+    }
+
     public override IndicatorsResultBase GetIndicatorValues(HashSet<Candle> candles)
     {
         return new IndicatorsResultBase()

src/Managing.Domain/Indicators/Signals/StcIndicatorBase.cs

@@ -33,31 +33,51 @@ public class StcIndicatorBase : IndicatorBase
             if (FastPeriods != null)
             {
                 var stc = candles.GetStc(FastPeriods.Value, FastPeriods.Value, SlowPeriods.Value).ToList();
-                if (CyclePeriods != null)
-                {
-                    var stcCandles = MapStcToCandle(stc, candles.TakeLast(CyclePeriods.Value));
-
                 if (stc.Count == 0)
                     return null;
 
-                    var previousCandle = stcCandles[0];
-                    foreach (var currentCandle in stcCandles.Skip(1))
-                    {
-                        if (previousCandle.Stc > 75 && currentCandle.Stc <= 75)
-                        {
-                            AddSignal(currentCandle, TradeDirection.Short, Confidence.Medium);
+                ProcessStcSignals(stc, candles);
             }
 
-                        if (previousCandle.Stc < 25 && currentCandle.Stc >= 25)
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
         {
-                            AddSignal(currentCandle, TradeDirection.Long, Confidence.Medium);
+            return null;
+        }
     }
 
-                        previousCandle = currentCandle;
+    /// <summary>
+    /// Runs the indicator using pre-calculated STC values for performance optimization.
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        if (candles.Count <= 2 * (SlowPeriods + CyclePeriods))
+        {
+            return null;
         }
+
+        try
+        {
+            // Use pre-calculated STC values if available
+            List<StcResult> stc = null;
+            if (preCalculatedValues?.Stc != null && preCalculatedValues.Stc.Any())
+            {
+                // Filter pre-calculated STC values to match the candles we're processing
+                stc = preCalculatedValues.Stc
+                    .Where(s => candles.Any(c => c.Date == s.Date))
+                    .OrderBy(s => s.Date)
+                    .ToList();
             }
+
+            // If no pre-calculated values or they don't match, fall back to regular calculation
+            if (stc == null || !stc.Any())
+            {
+                return Run(candles);
             }
 
+            ProcessStcSignals(stc, candles);
+
             return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
         }
         catch (RuleException)
@@ -80,6 +100,39 @@ public class StcIndicatorBase : IndicatorBase
         return null;
     }
 
+    /// <summary>
+    /// Processes STC signals based on STC values crossing thresholds (25 and 75).
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="stc">List of STC calculation results</param>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessStcSignals(List<StcResult> stc, HashSet<Candle> candles)
+    {
+        if (CyclePeriods == null)
+            return;
+
+        var stcCandles = MapStcToCandle(stc, candles.TakeLast(CyclePeriods.Value));
+
+        if (stcCandles.Count == 0)
+            return;
+
+        var previousCandle = stcCandles[0];
+        foreach (var currentCandle in stcCandles.Skip(1))
+        {
+            if (previousCandle.Stc > 75 && currentCandle.Stc <= 75)
+            {
+                AddSignal(currentCandle, TradeDirection.Short, Confidence.Medium);
+            }
+
+            if (previousCandle.Stc < 25 && currentCandle.Stc >= 25)
+            {
+                AddSignal(currentCandle, TradeDirection.Long, Confidence.Medium);
+            }
+
+            previousCandle = currentCandle;
+        }
+    }
+
     private List<CandleSct> MapStcToCandle(List<StcResult> stc, IEnumerable<Candle> candles)
     {
         var sctList = new List<CandleSct>();

src/Managing.Domain/Indicators/Signals/SuperTrendCrossEma.cs

@@ -48,10 +48,124 @@ public class SuperTrendCrossEma : IndicatorBase
                 .Where(a => a.Adx.HasValue && a.Pdi.HasValue && a.Mdi.HasValue) // Ensure all values exist
                 .ToList();
 
+            ProcessSuperTrendCrossEmaSignals(superTrend, ema50, adxResults, candles, minimumRequiredHistory, adxThreshold);
+
+            return Signals.Where(s => s.Confidence != Confidence.None)
+                .OrderBy(s => s.Date)
+                .ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    private List<CandleSuperTrend> MapSuperTrendToCandle(List<SuperTrendResult> superTrend, IEnumerable<Candle> candles)
+    {
+        var superTrends = new List<CandleSuperTrend>();
+        foreach (var candle in candles)
+        {
+            var currentSuperTrend = superTrend.Find(candle.Date);
+            if (currentSuperTrend != null)
+            {
+                superTrends.Add(new CandleSuperTrend()
+                {
+                    Close = candle.Close,
+                    Open = candle.Open,
+                    Date = candle.Date,
+                    Ticker = candle.Ticker,
+                    Exchange = candle.Exchange,
+                    SuperTrend = currentSuperTrend.SuperTrend.Value,
+                    LowerBand = currentSuperTrend.LowerBand,
+                    UpperBand = currentSuperTrend.UpperBand,
+                });
+            }
+        }
+
+        return superTrends;
+    }
+
+    /// <summary>
+    /// Runs the indicator using pre-calculated SuperTrend values for performance optimization.
+    /// Note: EMA50 and ADX are still calculated on-the-fly as they're not part of the standard indicator values.
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        // Validate sufficient historical data for all indicators
+        const int emaPeriod = 50;
+        const int adxPeriod = 14; // Standard ADX period
+        const int adxThreshold = 25; // Minimum ADX level to confirm a trend
+
+        int minimumRequiredHistory = Math.Max(Math.Max(emaPeriod, adxPeriod), Period.Value * 2); // Ensure enough data
+        if (candles.Count < minimumRequiredHistory)
+        {
+            return null;
+        }
+
+        try
+        {
+            // Use pre-calculated SuperTrend values if available
+            List<SuperTrendResult> superTrend = null;
+            if (preCalculatedValues?.SuperTrend != null && preCalculatedValues.SuperTrend.Any())
+            {
+                // Filter pre-calculated SuperTrend values to match the candles we're processing
+                superTrend = preCalculatedValues.SuperTrend
+                    .Where(s => s.SuperTrend.HasValue && candles.Any(c => c.Date == s.Date))
+                    .OrderBy(s => s.Date)
+                    .ToList();
+            }
+
+            // If no pre-calculated SuperTrend values, calculate them
+            if (superTrend == null || !superTrend.Any())
+            {
+                superTrend = candles.GetSuperTrend(Period.Value, Multiplier.Value)
+                    .Where(s => s.SuperTrend.HasValue)
+                    .ToList();
+            }
+
+            // EMA50 and ADX are still calculated on-the-fly (not part of standard pre-calculation)
+            var ema50 = candles.GetEma(emaPeriod)
+                .Where(e => e.Ema.HasValue)
+                .ToList();
+
+            var adxResults = candles.GetAdx(adxPeriod)
+                .Where(a => a.Adx.HasValue && a.Pdi.HasValue && a.Mdi.HasValue)
+                .ToList();
+
+            ProcessSuperTrendCrossEmaSignals(superTrend, ema50, adxResults, candles, minimumRequiredHistory, adxThreshold);
+
+            return Signals.Where(s => s.Confidence != Confidence.None)
+                .OrderBy(s => s.Date)
+                .ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Processes SuperTrendCrossEma signals based on SuperTrend crossing EMA50 with ADX confirmation.
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="superTrend">List of SuperTrend calculation results</param>
+    /// <param name="ema50">List of EMA50 calculation results</param>
+    /// <param name="adxResults">List of ADX calculation results</param>
+    /// <param name="candles">Candles to process</param>
+    /// <param name="minimumRequiredHistory">Minimum history required</param>
+    /// <param name="adxThreshold">ADX threshold for trend confirmation</param>
+    private void ProcessSuperTrendCrossEmaSignals(
+        List<SuperTrendResult> superTrend,
+        List<EmaResult> ema50,
+        List<AdxResult> adxResults,
+        HashSet<Candle> candles,
+        int minimumRequiredHistory,
+        int adxThreshold)
+    {
         // 2. Create merged dataset with price + indicators
         var superTrendCandles = MapSuperTrendToCandle(superTrend, candles.TakeLast(minimumRequiredHistory));
         if (superTrendCandles.Count == 0)
-                return null;
+            return;
 
         // 3. Add EMA50 and ADX values to the CandleSuperTrend objects
         foreach (var candle in superTrendCandles)
@@ -122,40 +236,6 @@ public class SuperTrendCrossEma : IndicatorBase
                 AddSignal(current, TradeDirection.Short, Confidence.Medium);
             }
         }
-
-            return Signals.Where(s => s.Confidence != Confidence.None)
-                .OrderBy(s => s.Date)
-                .ToList();
-        }
-        catch (RuleException)
-        {
-            return null;
-        }
-    }
-
-    private List<CandleSuperTrend> MapSuperTrendToCandle(List<SuperTrendResult> superTrend, IEnumerable<Candle> candles)
-    {
-        var superTrends = new List<CandleSuperTrend>();
-        foreach (var candle in candles)
-        {
-            var currentSuperTrend = superTrend.Find(candle.Date);
-            if (currentSuperTrend != null)
-            {
-                superTrends.Add(new CandleSuperTrend()
-                {
-                    Close = candle.Close,
-                    Open = candle.Open,
-                    Date = candle.Date,
-                    Ticker = candle.Ticker,
-                    Exchange = candle.Exchange,
-                    SuperTrend = currentSuperTrend.SuperTrend.Value,
-                    LowerBand = currentSuperTrend.LowerBand,
-                    UpperBand = currentSuperTrend.UpperBand,
-                });
-            }
-        }
-
-        return superTrends;
     }
 
     public override IndicatorsResultBase GetIndicatorValues(HashSet<Candle> candles)

src/Managing.Domain/Indicators/Signals/SuperTrendIndicatorBase.cs

@@ -29,27 +29,77 @@ public class SuperTrendIndicatorBase : IndicatorBase
 
         try
         {
-            var superTrend = candles.GetSuperTrend(Period.Value, Multiplier.Value).Where(s => s.SuperTrend.HasValue);
+            var superTrend = candles.GetSuperTrend(Period.Value, Multiplier.Value)
+                .Where(s => s.SuperTrend.HasValue)
+                .ToList();
+            if (superTrend.Count == 0)
+                return null;
+
+            ProcessSuperTrendSignals(superTrend, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Runs the indicator using pre-calculated SuperTrend values for performance optimization.
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        if (candles.Count <= MinimumHistory)
+        {
+            return null;
+        }
+
+        try
+        {
+            // Use pre-calculated SuperTrend values if available
+            List<SuperTrendResult> superTrend = null;
+            if (preCalculatedValues?.SuperTrend != null && preCalculatedValues.SuperTrend.Any())
+            {
+                // Filter pre-calculated SuperTrend values to match the candles we're processing
+                superTrend = preCalculatedValues.SuperTrend
+                    .Where(s => s.SuperTrend.HasValue && candles.Any(c => c.Date == s.Date))
+                    .OrderBy(s => s.Date)
+                    .ToList();
+            }
+
+            // If no pre-calculated values or they don't match, fall back to regular calculation
+            if (superTrend == null || !superTrend.Any())
+            {
+                return Run(candles);
+            }
+
+            ProcessSuperTrendSignals(superTrend, candles);
+
+            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Processes SuperTrend signals based on price position relative to SuperTrend line.
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="superTrend">List of SuperTrend calculation results</param>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessSuperTrendSignals(List<SuperTrendResult> superTrend, HashSet<Candle> candles)
+    {
         var superTrendCandle = MapSuperTrendToCandle(superTrend, candles.TakeLast(MinimumHistory));
 
         if (superTrendCandle.Count == 0)
-                return null;
+            return;
 
         var previousCandle = superTrendCandle[0];
         foreach (var currentCandle in superTrendCandle.Skip(1))
         {
-                // // Short
-                // if (currentCandle.Close < previousCandle.SuperTrend && previousCandle.Close > previousCandle.SuperTrend)
-                // {
-                //     AddSignal(currentCandle, TradeDirection.Short, Confidence.Medium);
-                // }
-                //
-                // // Long
-                // if (currentCandle.Close > previousCandle.SuperTrend && previousCandle.Close < previousCandle.SuperTrend)
-                // {
-                //     AddSignal(currentCandle, TradeDirection.Long, Confidence.Medium);
-                // }
-
             if (currentCandle.SuperTrend < currentCandle.Close)
             {
                 AddSignal(currentCandle, TradeDirection.Long, Confidence.Medium);
@@ -61,13 +111,6 @@ public class SuperTrendIndicatorBase : IndicatorBase
 
             previousCandle = currentCandle;
         }
-
-            return Signals.Where(s => s.Confidence != Confidence.None).OrderBy(s => s.Date).ToList();
-        }
-        catch (RuleException)
-        {
-            return null;
-        }
     }
 
     public override IndicatorsResultBase GetIndicatorValues(HashSet<Candle> candles)

src/Managing.Domain/Indicators/Signals/ThreeWhiteSoldiersIndicatorBase.cs

@@ -27,6 +27,35 @@ namespace Managing.Domain.Strategies.Signals
         }
 
         try
+        {
+            ProcessThreeWhiteSoldiersSignals(candles);
+
+            return signals;
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Runs the indicator using pre-calculated values.
+    /// Note: ThreeWhiteSoldiers is a pattern-based indicator that doesn't use traditional indicator calculations,
+    /// so pre-calculated values are not applicable. This method falls back to regular Run().
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        // ThreeWhiteSoldiers doesn't use traditional indicators, so pre-calculated values don't apply
+        // Fall back to regular calculation
+        return Run(candles);
+    }
+
+    /// <summary>
+    /// Processes ThreeWhiteSoldiers pattern signals based on candle patterns.
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessThreeWhiteSoldiersSignals(HashSet<Candle> candles)
     {
         var lastFourCandles = candles.TakeLast(4);
         Candle previousCandles = null;
@@ -44,13 +73,6 @@ namespace Managing.Domain.Strategies.Signals
 
             previousCandles = currentCandle;
         }
-
-                return signals;
-            }
-            catch (RuleException)
-            {
-                return null;
-            }
     }
 
         public override IndicatorsResultBase GetIndicatorValues(HashSet<Candle> candles)

src/Managing.Domain/Indicators/Trends/EmaTrendIndicatorBase.cs

@@ -28,11 +28,71 @@ public class EmaTrendIndicatorBase : EmaBaseIndicatorBase
         try
         {
             var ema = candles.GetEma(Period.Value).ToList();
-            var emaCandles = MapEmaToCandle(ema, candles.TakeLast(Period.Value));
-
             if (ema.Count == 0)
                 return null;
 
+            ProcessEmaTrendSignals(ema, candles);
+
+            return Signals.OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Runs the indicator using pre-calculated EMA values for performance optimization.
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        if (candles.Count <= 2 * Period)
+        {
+            return null;
+        }
+
+        try
+        {
+            // Use pre-calculated EMA values if available
+            List<EmaResult> ema = null;
+            if (preCalculatedValues?.Ema != null && preCalculatedValues.Ema.Any())
+            {
+                // Filter pre-calculated EMA values to match the candles we're processing
+                ema = preCalculatedValues.Ema
+                    .Where(e => candles.Any(c => c.Date == e.Date))
+                    .OrderBy(e => e.Date)
+                    .ToList();
+            }
+
+            // If no pre-calculated values or they don't match, fall back to regular calculation
+            if (ema == null || !ema.Any())
+            {
+                return Run(candles);
+            }
+
+            ProcessEmaTrendSignals(ema, candles);
+
+            return Signals.OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Processes EMA trend signals based on price position relative to EMA line.
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="ema">List of EMA calculation results</param>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessEmaTrendSignals(List<EmaResult> ema, HashSet<Candle> candles)
+    {
+        var emaCandles = MapEmaToCandle(ema, candles.TakeLast(Period.Value));
+
+        if (emaCandles.Count == 0)
+            return;
+
         var previousCandle = emaCandles[0];
         foreach (var currentCandle in emaCandles.Skip(1))
         {
@@ -47,13 +107,6 @@ public class EmaTrendIndicatorBase : EmaBaseIndicatorBase
 
             previousCandle = currentCandle;
         }
-
-            return Signals.OrderBy(s => s.Date).ToList();
-        }
-        catch (RuleException)
-        {
-            return null;
-        }
     }
 
     public override IndicatorsResultBase GetIndicatorValues(HashSet<Candle> candles)

src/Managing.Domain/Indicators/Trends/StochRsiTrendIndicatorBase.cs

@@ -37,11 +37,72 @@ public class StochRsiTrendIndicatorBase : IndicatorBase
         {
             var stochRsi = candles
                 .GetStochRsi(Period.Value, StochPeriods.Value, SignalPeriods.Value, SmoothPeriods.Value)
-                .RemoveWarmupPeriods();
+                .RemoveWarmupPeriods()
+                .ToList();
+            if (stochRsi.Count == 0)
+                return null;
+
+            ProcessStochRsiTrendSignals(stochRsi, candles);
+
+            return Signals.OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Runs the indicator using pre-calculated StochRsi values for performance optimization.
+    /// </summary>
+    public override List<LightSignal> Run(HashSet<Candle> candles, IndicatorsResultBase preCalculatedValues)
+    {
+        if (candles.Count <= 10 * Period + 50)
+        {
+            return null;
+        }
+
+        try
+        {
+            // Use pre-calculated StochRsi values if available
+            List<StochRsiResult> stochRsi = null;
+            if (preCalculatedValues?.StochRsi != null && preCalculatedValues.StochRsi.Any())
+            {
+                // Filter pre-calculated StochRsi values to match the candles we're processing
+                stochRsi = preCalculatedValues.StochRsi
+                    .Where(s => s.Signal.HasValue && candles.Any(c => c.Date == s.Date))
+                    .OrderBy(s => s.Date)
+                    .ToList();
+            }
+
+            // If no pre-calculated values or they don't match, fall back to regular calculation
+            if (stochRsi == null || !stochRsi.Any())
+            {
+                return Run(candles);
+            }
+
+            ProcessStochRsiTrendSignals(stochRsi, candles);
+
+            return Signals.OrderBy(s => s.Date).ToList();
+        }
+        catch (RuleException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Processes StochRsi trend signals based on Signal line thresholds (20 and 80).
+    /// This method is shared between the regular Run() and optimized Run() methods.
+    /// </summary>
+    /// <param name="stochRsi">List of StochRsi calculation results</param>
+    /// <param name="candles">Candles to process</param>
+    private void ProcessStochRsiTrendSignals(List<StochRsiResult> stochRsi, HashSet<Candle> candles)
+    {
         var stochRsiCandles = MapStochRsiToCandle(stochRsi, candles.TakeLast(Period.Value));
 
-            if (stochRsi.Count() == 0)
-                return null;
+        if (stochRsiCandles.Count == 0)
+            return;
 
         var previousCandle = stochRsiCandles[0];
         foreach (var currentCandle in stochRsiCandles.Skip(1))
@@ -57,13 +118,6 @@ public class StochRsiTrendIndicatorBase : IndicatorBase
 
             previousCandle = currentCandle;
         }
-
-            return Signals.OrderBy(s => s.Date).ToList();
-        }
-        catch (RuleException)
-        {
-            return null;
-        }
     }
 
     public override IndicatorsResultBase GetIndicatorValues(HashSet<Candle> candles)

src/Managing.Domain/Shared/Helpers/TradingBox.cs

@@ -3,6 +3,7 @@ using Managing.Domain.Indicators;
 using Managing.Domain.MoneyManagements;
 using Managing.Domain.Scenarios;
 using Managing.Domain.Strategies;
+using Managing.Domain.Strategies.Base;
 using Managing.Domain.Trades;
 using static Managing.Common.Enums;
 
@@ -53,11 +54,25 @@ public static class TradingBox
     public static LightSignal GetSignal(HashSet<Candle> newCandles, LightScenario scenario,
         Dictionary<string, LightSignal> previousSignal, int? loopbackPeriod = 1)
     {
-        return GetSignal(newCandles, scenario, previousSignal, _defaultConfig, loopbackPeriod);
+        return GetSignal(newCandles, scenario, previousSignal, _defaultConfig, loopbackPeriod, null);
+    }
+
+    public static LightSignal GetSignal(HashSet<Candle> newCandles, LightScenario scenario,
+        Dictionary<string, LightSignal> previousSignal, int? loopbackPeriod,
+        Dictionary<IndicatorType, IndicatorsResultBase> preCalculatedIndicatorValues)
+    {
+        return GetSignal(newCandles, scenario, previousSignal, _defaultConfig, loopbackPeriod, preCalculatedIndicatorValues);
     }
 
     public static LightSignal GetSignal(HashSet<Candle> newCandles, LightScenario lightScenario,
         Dictionary<string, LightSignal> previousSignal, IndicatorComboConfig config, int? loopbackPeriod = 1)
+    {
+        return GetSignal(newCandles, lightScenario, previousSignal, config, loopbackPeriod, null);
+    }
+
+    public static LightSignal GetSignal(HashSet<Candle> newCandles, LightScenario lightScenario,
+        Dictionary<string, LightSignal> previousSignal, IndicatorComboConfig config, int? loopbackPeriod,
+        Dictionary<IndicatorType, IndicatorsResultBase> preCalculatedIndicatorValues)
     {
         var signalOnCandles = new List<LightSignal>();
         var limitedCandles = newCandles.ToList().TakeLast(600).ToList();
@@ -65,7 +80,19 @@ public static class TradingBox
         foreach (var indicator in lightScenario.Indicators)
         {
             IIndicator indicatorInstance = indicator.ToInterface();
-            var signals = indicatorInstance.Run(newCandles);
+            
+            // Use pre-calculated indicator values if available (for backtest optimization)
+            List<LightSignal> signals;
+            if (preCalculatedIndicatorValues != null && preCalculatedIndicatorValues.ContainsKey(indicator.Type))
+            {
+                // Use pre-calculated values to avoid recalculating indicators
+                signals = indicatorInstance.Run(newCandles, preCalculatedIndicatorValues[indicator.Type]);
+            }
+            else
+            {
+                // Normal path: calculate indicators on the fly
+                signals = indicatorInstance.Run(newCandles);
+            }
 
             if (signals == null || signals.Count() == 0)
             {