Fix win and loses count

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

@@ -526,6 +526,7 @@ public static class TradingBox
 
     /// <summary>
     /// Gets the win/loss counts from positions
+    /// Counts all positions including open ones based on their current PnL
     /// </summary>
     /// <param name="positions">List of positions to analyze</param>
     /// <returns>A tuple containing (wins, losses)</returns>
@@ -540,7 +541,7 @@ public static class TradingBox
             {
                 wins++;
             }
-            else
+            else if (position.ProfitAndLoss != null && position.ProfitAndLoss.Realized <= 0)
             {
                 losses++;
             }