diff --git a/src/Managing.Application.Abstractions/Grains/IPlatformSummaryGrain.cs b/src/Managing.Application.Abstractions/Grains/IPlatformSummaryGrain.cs
index 9fc935b..296ad7b 100644
--- a/src/Managing.Application.Abstractions/Grains/IPlatformSummaryGrain.cs
+++ b/src/Managing.Application.Abstractions/Grains/IPlatformSummaryGrain.cs
@@ -71,12 +71,6 @@ public class StrategyDeployedEvent : PlatformMetricsEvent
     
     [Id(3)]
     public string StrategyName { get; set; } = string.Empty;
-    
-    [Id(4)]
-    public decimal InitialVolume { get; set; }
-    
-    [Id(5)]
-    public decimal InitialPnL { get; set; }
 }
 
 /// <summary>
@@ -105,18 +99,12 @@ public class PositionOpenedEvent : PlatformMetricsEvent
     public Guid PositionId { get; set; }
     
     [Id(2)]
-    public Guid StrategyId { get; set; }
+    public Ticker Ticker { get; set; }
     
     [Id(3)]
-    public string Ticker { get; set; } = string.Empty;
+    public decimal Volume { get; set; }
     
     [Id(4)]
-    public decimal Size { get; set; }
-    
-    [Id(5)]
-    public decimal NotionalValue { get; set; }
-    
-    [Id(6)]
     public TradeDirection Direction { get; set; }
 }
 
@@ -130,16 +118,16 @@ public class PositionClosedEvent : PlatformMetricsEvent
     public Guid PositionId { get; set; }
     
     [Id(2)]
-    public Guid StrategyId { get; set; }
+    public Ticker Ticker { get; set; }
     
     [Id(3)]
-    public string Ticker { get; set; } = string.Empty;
-    
-    [Id(4)]
     public decimal RealizedPnL { get; set; }
     
-    [Id(5)]
+    [Id(4)]
     public decimal Volume { get; set; }
+
+    [Id(5)]
+    public decimal InitialVolume { get; set; }
 }
 
 /// <summary>
@@ -158,7 +146,7 @@ public class TradeExecutedEvent : PlatformMetricsEvent
     public Guid StrategyId { get; set; }
     
     [Id(4)]
-    public string Ticker { get; set; } = string.Empty;
+    public Ticker Ticker { get; set; }
     
     [Id(5)]
     public decimal Volume { get; set; }
diff --git a/src/Managing.Application.Abstractions/Grains/PlatformSummaryGrainState.cs b/src/Managing.Application.Abstractions/Grains/PlatformSummaryGrainState.cs
index 990ca99..b80cfd5 100644
--- a/src/Managing.Application.Abstractions/Grains/PlatformSummaryGrainState.cs
+++ b/src/Managing.Application.Abstractions/Grains/PlatformSummaryGrainState.cs
@@ -65,11 +65,11 @@ public class PlatformSummaryGrainState
     
     // Volume breakdown by asset
     [Id(17)]
-    public Dictionary<string, decimal> VolumeByAsset { get; set; } = new();
+    public Dictionary<Ticker, decimal> VolumeByAsset { get; set; } = new();
     
     // Position count breakdown
     [Id(18)]
-    public Dictionary<string, int> PositionCountByAsset { get; set; } = new();
+    public Dictionary<Ticker, int> PositionCountByAsset { get; set; } = new();
     
     [Id(19)]
     public Dictionary<TradeDirection, int> PositionCountByDirection { get; set; } = new();
diff --git a/src/Managing.Application.Abstractions/Models/PlatformSummaryViewModel.cs b/src/Managing.Application.Abstractions/Models/PlatformSummaryViewModel.cs
index 05126f5..bdfdef7 100644
--- a/src/Managing.Application.Abstractions/Models/PlatformSummaryViewModel.cs
+++ b/src/Managing.Application.Abstractions/Models/PlatformSummaryViewModel.cs
@@ -93,13 +93,13 @@ public class PlatformSummaryViewModel
     /// Volume breakdown by asset/ticker
     /// </summary>
     [Id(13)]
-    public required Dictionary<string, decimal> VolumeByAsset { get; set; }
+    public required Dictionary<Ticker, decimal> VolumeByAsset { get; set; }
     
     /// <summary>
     /// Position count breakdown by asset/ticker
     /// </summary>
     [Id(14)]
-    public required Dictionary<string, int> PositionCountByAsset { get; set; }
+    public required Dictionary<Ticker, int> PositionCountByAsset { get; set; }
     
     /// <summary>
     /// Position count breakdown by direction (Long/Short)
diff --git a/src/Managing.Application/Bots/Grains/LiveBotRegistryGrain.cs b/src/Managing.Application/Bots/Grains/LiveBotRegistryGrain.cs
index ccc3b16..34fac44 100644
--- a/src/Managing.Application/Bots/Grains/LiveBotRegistryGrain.cs
+++ b/src/Managing.Application/Bots/Grains/LiveBotRegistryGrain.cs
@@ -1,3 +1,4 @@
+using Managing.Application.Abstractions;
 using Managing.Application.Abstractions.Grains;
 using Microsoft.Extensions.Logging;
 using static Managing.Common.Enums;
@@ -13,14 +14,17 @@ public class LiveBotRegistryGrain : Grain, ILiveBotRegistryGrain
 {
     private readonly IPersistentState<BotRegistryState> _state;
     private readonly ILogger<LiveBotRegistryGrain> _logger;
+    private readonly IBotService _botService;
 
     public LiveBotRegistryGrain(
         [PersistentState("bot-registry", "registry-store")]
         IPersistentState<BotRegistryState> state,
-        ILogger<LiveBotRegistryGrain> logger)
+        ILogger<LiveBotRegistryGrain> logger,
+        IBotService botService)
     {
         _state = state;
         _logger = logger;
+        _botService = botService;
     }
 
     public override async Task OnActivateAsync(CancellationToken cancellationToken)
@@ -60,6 +64,9 @@ public class LiveBotRegistryGrain : Grain, ILiveBotRegistryGrain
             _logger.LogInformation(
                 "Bot {Identifier} registered successfully for user {UserId}. Total bots: {TotalBots}, Active bots: {ActiveBots}",
                 identifier, userId, _state.State.TotalBotsCount, _state.State.ActiveBotsCount);
+
+            // Notify platform summary grain about strategy deployment
+            await NotifyStrategyDeployedAsync(identifier, userId);
         }
         catch (Exception ex)
         {
@@ -94,6 +101,9 @@ public class LiveBotRegistryGrain : Grain, ILiveBotRegistryGrain
             _logger.LogInformation(
                 "Bot {Identifier} unregistered successfully from user {UserId}. Total bots: {TotalBots}",
                 identifier, entryToRemove.UserId, _state.State.TotalBotsCount);
+
+            // Notify platform summary grain about strategy stopped
+            await NotifyStrategyStoppedAsync(identifier, entryToRemove.UserId);
         }
         catch (Exception ex)
         {
@@ -176,4 +186,66 @@ public class LiveBotRegistryGrain : Grain, ILiveBotRegistryGrain
 
         return Task.FromResult(entry.Status);
     }
+
+    private async Task NotifyStrategyDeployedAsync(Guid identifier, int userId)
+    {
+        try
+        {
+            // Get bot details for the event
+            var bot = await _botService.GetBotByIdentifier(identifier);
+            if (bot != null)
+            {
+                var platformGrain = GrainFactory.GetGrain<IPlatformSummaryGrain>("platform-summary");
+                
+                var deployedEvent = new StrategyDeployedEvent
+                {
+                    StrategyId = identifier,
+                    AgentName = bot.User.AgentName,
+                    StrategyName = bot.Name
+                };
+
+                await platformGrain.OnStrategyDeployedAsync(deployedEvent);
+                _logger.LogDebug("Notified platform summary about strategy deployment: {StrategyName}", bot.Name);
+            }
+            else
+            {
+                _logger.LogWarning("Could not find bot {Identifier} to notify platform summary", identifier);
+            }
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Failed to notify platform summary about strategy deployment for bot {Identifier}", identifier);
+        }
+    }
+
+    private async Task NotifyStrategyStoppedAsync(Guid identifier, int userId)
+    {
+        try
+        {
+            // Get bot details for the event
+            var bot = await _botService.GetBotByIdentifier(identifier);
+            if (bot != null)
+            {
+                var platformGrain = GrainFactory.GetGrain<IPlatformSummaryGrain>("platform-summary");
+                
+                var stoppedEvent = new StrategyStoppedEvent
+                {
+                    StrategyId = identifier,
+                    AgentName = bot.User?.Name ?? $"User-{userId}",
+                    StrategyName = bot.Name
+                };
+
+                await platformGrain.OnStrategyStoppedAsync(stoppedEvent);
+                _logger.LogDebug("Notified platform summary about strategy stopped: {StrategyName}", bot.Name);
+            }
+            else
+            {
+                _logger.LogWarning("Could not find bot {Identifier} to notify platform summary", identifier);
+            }
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Failed to notify platform summary about strategy stopped for bot {Identifier}", identifier);
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/Managing.Application/Bots/TradingBotBase.cs b/src/Managing.Application/Bots/TradingBotBase.cs
index 75d3232..3e23a99 100644
--- a/src/Managing.Application/Bots/TradingBotBase.cs
+++ b/src/Managing.Application/Bots/TradingBotBase.cs
@@ -377,6 +377,27 @@ public class TradingBotBase : ITradingBot
                     if (position.Status.Equals(PositionStatus.New))
                     {
                         await SetPositionStatus(position.SignalIdentifier, PositionStatus.Filled);
+                        
+                        // Notify platform summary about the executed trade
+                        try
+                        {
+                            await ServiceScopeHelpers.WithScopedService<IGrainFactory>(_scopeFactory, async grainFactory =>
+                            {
+                                var platformGrain = grainFactory.GetGrain<IPlatformSummaryGrain>("platform-summary");
+                                var tradeExecutedEvent = new TradeExecutedEvent
+                                {
+                                    TradeId = position.Identifier,
+                                    Ticker = position.Ticker,
+                                    Volume = position.Open.Price * position.Open.Quantity * position.Open.Leverage
+                                };
+                                
+                                await platformGrain.OnTradeExecutedAsync(tradeExecutedEvent);
+                            });
+                        }
+                        catch (Exception ex)
+                        {
+                            Logger.LogWarning(ex, "Failed to notify platform summary about trade execution for position {PositionId}", position.Identifier);
+                        }
                     }
 
                     position = brokerPosition;
diff --git a/src/Managing.Application/Grains/PlatformSummaryGrain.cs b/src/Managing.Application/Grains/PlatformSummaryGrain.cs
index c2068a3..2b94187 100644
--- a/src/Managing.Application/Grains/PlatformSummaryGrain.cs
+++ b/src/Managing.Application/Grains/PlatformSummaryGrain.cs
@@ -100,10 +100,10 @@ public class PlatformSummaryGrain : Grain, IPlatformSummaryGrain, IRemindable
             _state.State.HasPendingChanges = false;
 
             // Update volume breakdown by asset
-            await UpdateVolumeBreakdownAsync(strategies);
+            UpdateVolumeBreakdown(strategies);
 
             // Update position count breakdown
-            await UpdatePositionCountBreakdownAsync(strategies);
+            UpdatePositionCountBreakdown(strategies);
 
             await _state.WriteStateAsync();
 
@@ -115,14 +115,14 @@ public class PlatformSummaryGrain : Grain, IPlatformSummaryGrain, IRemindable
         }
     }
 
-    private async Task UpdateVolumeBreakdownAsync(IEnumerable<Bot> strategies)
+    private void UpdateVolumeBreakdown(IEnumerable<Bot> strategies)
     {
         _state.State.VolumeByAsset.Clear();
 
         // Group strategies by ticker and sum their volumes
         var volumeByAsset = strategies
             .Where(s => s.Volume > 0)
-            .GroupBy(s => s.Ticker.ToString())
+            .GroupBy(s => s.Ticker)
             .ToDictionary(g => g.Key, g => g.Sum(s => s.Volume));
 
         foreach (var kvp in volumeByAsset)
@@ -134,7 +134,7 @@ public class PlatformSummaryGrain : Grain, IPlatformSummaryGrain, IRemindable
             volumeByAsset.Count, volumeByAsset.Values.Sum());
     }
 
-    private async Task UpdatePositionCountBreakdownAsync(IEnumerable<Bot> strategies)
+    private void UpdatePositionCountBreakdown(IEnumerable<Bot> strategies)
     {
         _state.State.PositionCountByAsset.Clear();
         _state.State.PositionCountByDirection.Clear();
@@ -146,7 +146,7 @@ public class PlatformSummaryGrain : Grain, IPlatformSummaryGrain, IRemindable
         {
             // Group by asset and sum position counts per asset
             var positionsByAsset = activeStrategies
-                .GroupBy(s => s.Ticker.ToString())
+                .GroupBy(s => s.Ticker)
                 .ToDictionary(g => g.Key, g => g.Sum(b => b.LongPositionCount + b.ShortPositionCount));
 
             // Sum long and short position counts across all bots
@@ -252,7 +252,6 @@ public class PlatformSummaryGrain : Grain, IPlatformSummaryGrain, IRemindable
         _logger.LogInformation("Position opened: {PositionId} for {Ticker}", evt.PositionId, evt.Ticker);
 
         _state.State.TotalPositionCount++;
-        _state.State.TotalOpenInterest += evt.NotionalValue;
         _state.State.HasPendingChanges = true;
         await _state.WriteStateAsync();
     }
@@ -274,6 +273,7 @@ public class PlatformSummaryGrain : Grain, IPlatformSummaryGrain, IRemindable
         }
 
         _state.State.VolumeByAsset[asset] += evt.Volume;
+        _state.State.TotalOpenInterest -= evt.InitialVolume;
 
         _state.State.HasPendingChanges = true;
         await _state.WriteStateAsync();
@@ -285,7 +285,6 @@ public class PlatformSummaryGrain : Grain, IPlatformSummaryGrain, IRemindable
             evt.TradeId, evt.Ticker, evt.Volume);
 
         _state.State.TotalPlatformVolume += evt.Volume;
-        _state.State.TotalPlatformPnL += evt.PnL;
 
         // Update volume by asset
         var asset = evt.Ticker;
@@ -402,8 +401,8 @@ public class PlatformSummaryGrain : Grain, IPlatformSummaryGrain, IRemindable
             PositionCountChange24h = state.TotalPositionCount - state.TotalPositionCount24hAgo,
 
             // Breakdowns
-            VolumeByAsset = state.VolumeByAsset ?? new Dictionary<string, decimal>(),
-            PositionCountByAsset = state.PositionCountByAsset ?? new Dictionary<string, int>(),
+            VolumeByAsset = state.VolumeByAsset ?? new Dictionary<Ticker, decimal>(),
+            PositionCountByAsset = state.PositionCountByAsset ?? new Dictionary<Ticker, int>(),
             PositionCountByDirection = state.PositionCountByDirection ?? new Dictionary<TradeDirection, int>(),
 
             // Metadata
diff --git a/src/Managing.Application/Trading/Handlers/ClosePositionCommandHandler.cs b/src/Managing.Application/Trading/Handlers/ClosePositionCommandHandler.cs
index 39f9fa4..fecec70 100644
--- a/src/Managing.Application/Trading/Handlers/ClosePositionCommandHandler.cs
+++ b/src/Managing.Application/Trading/Handlers/ClosePositionCommandHandler.cs
@@ -1,4 +1,5 @@
 using Managing.Application.Abstractions;
+using Managing.Application.Abstractions.Grains;
 using Managing.Application.Abstractions.Services;
 using Managing.Application.Trading.Commands;
 using Managing.Domain.Shared.Helpers;
@@ -12,6 +13,7 @@ public class ClosePositionCommandHandler(
     IExchangeService exchangeService,
     IAccountService accountService,
     ITradingService tradingService,
+    IGrainFactory? grainFactory = null,
     ILogger<ClosePositionCommandHandler> logger = null)
     : ICommandHandler<ClosePositionCommand, Position>
 {
@@ -68,6 +70,30 @@ public class ClosePositionCommandHandler(
 
                 if (!request.IsForBacktest)
                     await tradingService.UpdatePositionAsync(request.Position);
+                
+                // Notify platform summary about the closed position
+                try
+                {
+                    var platformGrain = grainFactory?.GetGrain<IPlatformSummaryGrain>("platform-summary");
+                    if (platformGrain != null)
+                    {
+                        var positionClosedEvent = new PositionClosedEvent
+                        {
+                            PositionId = request.Position.Identifier,
+                            Ticker = request.Position.Ticker,
+                            RealizedPnL = request.Position.ProfitAndLoss?.Realized ?? 0,
+                            Volume = closedPosition.Quantity * lastPrice * request.Position.Open.Leverage,
+                            InitialVolume = request.Position.Open.Quantity * request.Position.Open.Price * request.Position.Open.Leverage
+                        };
+                        
+                        await platformGrain.OnPositionClosedAsync(positionClosedEvent);
+                    }
+                }
+                catch (Exception ex)
+                {
+                    SentrySdk.CaptureException(ex);
+                    logger?.LogError(ex, "Failed to notify platform summary about position closure for position {PositionId}", request.Position.Identifier);
+                }
             }
 
             return request.Position;
@@ -77,6 +103,7 @@ public class ClosePositionCommandHandler(
             logger?.LogError(ex, "Error closing position: {Message} \n Stacktrace : {StackTrace}", ex.Message,
                 ex.StackTrace);
 
+            SentrySdk.CaptureException(ex);
             throw;
         }
     }
diff --git a/src/Managing.Application/Trading/Handlers/OpenPositionCommandHandler.cs b/src/Managing.Application/Trading/Handlers/OpenPositionCommandHandler.cs
index a8cda12..2eb32fa 100644
--- a/src/Managing.Application/Trading/Handlers/OpenPositionCommandHandler.cs
+++ b/src/Managing.Application/Trading/Handlers/OpenPositionCommandHandler.cs
@@ -1,4 +1,5 @@
 using Managing.Application.Abstractions;
+using Managing.Application.Abstractions.Grains;
 using Managing.Application.Abstractions.Services;
 using Managing.Application.Trading.Commands;
 using Managing.Common;
@@ -11,20 +12,14 @@ namespace Managing.Application.Trading.Handlers
     public class OpenPositionCommandHandler(
         IExchangeService exchangeService,
         IAccountService accountService,
-        ITradingService tradingService)
+        ITradingService tradingService,
+        IGrainFactory? grainFactory = null)
         : ICommandHandler<OpenPositionRequest, Position>
     {
         public async Task<Position> Handle(OpenPositionRequest request)
         {
             var account = await accountService.GetAccount(request.AccountName, hideSecrets: false, getBalance: false);
-            if (!request.IsForPaperTrading)
-            {
-                // var cancelOrderResult = await exchangeService.CancelOrder(account, request.Ticker);
-                // if (!cancelOrderResult)
-                // {
-                //     throw new Exception($"Not able to close all orders for {request.Ticker}");
-                // }
-            }
+
 
             var initiator = request.IsForPaperTrading ? PositionInitiator.PaperTrading : request.Initiator;
             var position = new Position(Guid.NewGuid(), request.AccountName, request.Direction,
@@ -108,6 +103,29 @@ namespace Managing.Application.Trading.Handlers
             if (!request.IsForPaperTrading)
             {
                 await tradingService.InsertPositionAsync(position);
+                
+                // Notify platform summary about the opened position
+                try
+                {
+                    var platformGrain = grainFactory?.GetGrain<IPlatformSummaryGrain>("platform-summary");
+                    if (platformGrain != null)
+                    {
+                        var positionOpenedEvent = new PositionOpenedEvent
+                        {
+                            PositionId = position.Identifier,
+                            Ticker = position.Ticker,
+                            Volume = position.Open.Price * position.Open.Quantity * position.Open.Leverage,
+                            Direction = position.OriginDirection
+                        };
+                        
+                        await platformGrain.OnPositionOpenedAsync(positionOpenedEvent);
+                    }
+                }
+                catch (Exception)
+                {
+                    // Log error but don't fail the position creation
+                    // This is a non-critical notification
+                }
             }
 
             return position;