Optimize strategies (#23)

* Update Tradingbox + set limit price

* Change discord message

src/Managing.Domain/Strategies/StDevContext.cs

@@ -33,16 +33,38 @@ public class StDevContext : Strategy
                 return null;
 
             var lastCandle = stDevCandles.Last();
+            var zScore = lastCandle.ZScore ?? 0;
 
-            if (lastCandle.ZScore is < 1.2 and > (-1.2))
+            // Determine confidence based on Z-score ranges
+            // Lower absolute Z-score = more normal volatility = higher confidence for trading
+            // Higher absolute Z-score = more extreme volatility = lower confidence for trading
+            Confidence confidence;
+            
+            if (Math.Abs(zScore) <= 0.5)
             {
-                AddSignal(lastCandle, TradeDirection.None, Confidence.Medium);
+                // Very low volatility - ideal conditions for trading
+                confidence = Confidence.High;
+            }
+            else if (Math.Abs(zScore) <= 1.0)
+            {
+                // Normal volatility - good conditions for trading
+                confidence = Confidence.Medium;
+            }
+            else if (Math.Abs(zScore) <= 1.5)
+            {
+                // Elevated volatility - caution advised
+                confidence = Confidence.Low;
             }
             else
             {
-                Console.WriteLine("Bad zscore");
+                // High volatility - trading not recommended
+                confidence = Confidence.None;
             }
 
+            // 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)