diff --git a/src/Managing.Api/Controllers/DataController.cs b/src/Managing.Api/Controllers/DataController.cs
index feadefad..78b99d61 100644
--- a/src/Managing.Api/Controllers/DataController.cs
+++ b/src/Managing.Api/Controllers/DataController.cs
@@ -446,9 +446,9 @@ public class DataController : ControllerBase
         var agentBalanceHistory = await _agentService.GetAgentBalances(agentName, startDate, endDate);
 
         // Convert to detailed view model with additional information
-        var result = userStrategies
-            .Select(strategy => MapStrategyToViewModelAsync(strategy, agentBalanceHistory))
-            .ToList();
+        var result = await Task.WhenAll(
+            userStrategies.Select(strategy => MapStrategyToViewModelAsync(strategy, agentBalanceHistory))
+        );
 
         return Ok(result);
     }