diff --git a/MarketDataLib/Generator/CMMomentum/CMBacktest.cs b/MarketDataLib/Generator/CMMomentum/CMBacktest.cs
index b0c48be..fda35e8 100644
--- a/MarketDataLib/Generator/CMMomentum/CMBacktest.cs
+++ b/MarketDataLib/Generator/CMMomentum/CMBacktest.cs
@@ -146,8 +146,9 @@ namespace MarketData.Generator.CMMomentum
               price=PricingDA.GetPrice(openPosition.Symbol,currentDate);
               if(null==price)
               {
-                MDTrace.WriteLine(LogLevel.DEBUG,String.Format("No price for {0} on {1}",openPosition.Symbol,currentDate.ToShortDateString()));
-                return null;
+                MDTrace.WriteLine(LogLevel.DEBUG,String.Format("CMBacktest::GetModelPerformance No price for {0} on {1}",openPosition.Symbol,currentDate.ToShortDateString()));
+                continue;
+//                return null;
               }
               LocalPriceCache.GetInstance().Add(price);
             }
diff --git a/MarketDataLib/Generator/CMTrend/CMTTrendModel..cs b/MarketDataLib/Generator/CMTrend/CMTTrendModel..cs
index 7cbba41..f48669e 100644
--- a/MarketDataLib/Generator/CMTrend/CMTTrendModel..cs
+++ b/MarketDataLib/Generator/CMTrend/CMTTrendModel..cs
@@ -150,7 +150,8 @@ namespace MarketData.Generator.CMTrend
             if(null==price)
             {
               MDTrace.WriteLine(LogLevel.DEBUG,String.Format("******************* No price for {0} on {1} *****************",openPosition.Symbol,currentDate.ToShortDateString()));
-              return performanceSeries;
+              continue;
+//              return performanceSeries;
             }
             gainLoss+=((price.Close*openPosition.Shares)-(openPosition.PurchasePrice*openPosition.Shares));
             marketValue+=(price.Close*openPosition.Shares);