diff --git a/KLHZ.Trader.Core/Exchange/Services/Trader.cs b/KLHZ.Trader.Core/Exchange/Services/Trader.cs
index 1e8cb41..0b235fb 100644
--- a/KLHZ.Trader.Core/Exchange/Services/Trader.cs
+++ b/KLHZ.Trader.Core/Exchange/Services/Trader.cs
@@ -862,7 +862,6 @@ INewPrice message, int windowMaxSize, decimal uptrendStartingDetectionMeanfullSt
             {
                 res[TradingEvent.UptrendEnd] = Constants.PowerLowingCoefficient;
                 res[TradingEvent.UptrendStart] = Constants.UppingCoefficient;
-                res[TradingEvent.DowntrendStart] = Constants.BlockingCoefficient;
                 res[TradingEvent.DowntrendEnd] = Constants.UppingCoefficient;
             }
             if (mode == TradingMode.SlowDropping)