diff --git a/src/Managing.Api/Controllers/DataController.cs b/src/Managing.Api/Controllers/DataController.cs
index cec89f33..6c9eb701 100644
--- a/src/Managing.Api/Controllers/DataController.cs
+++ b/src/Managing.Api/Controllers/DataController.cs
@@ -498,9 +498,10 @@ public class DataController : ControllerBase
             _cacheService.SaveValue(cacheKey, positions, TimeSpan.FromMinutes(2));
         }
 
+        var positionsForMetrics = positions.Where(p => p.IsValidForMetrics());
         // Calculate win/loss statistics from actual positions (including open positions)
-        int wins = positions.Count(p => p.ProfitAndLoss != null && p.ProfitAndLoss.Realized > 0);
-        int losses = positions.Count(p => p.ProfitAndLoss != null && p.ProfitAndLoss.Realized <= 0);
+        int wins = positionsForMetrics.Count(p => p.ProfitAndLoss != null && p.ProfitAndLoss.Realized > 0);
+        int losses = positionsForMetrics.Count(p => p.ProfitAndLoss != null && p.ProfitAndLoss.Realized <= 0);
 
         int winRate = wins + losses > 0 ? (wins * 100) / (wins + losses) : 0;