diff --git a/BitgetApi/IndicatorConditionSetup/SMABandConditionSetup.cs b/BitgetApi/IndicatorConditionSetup/SMABandConditionSetup.cs
index e5cf3ca..d80bf5a 100644
--- a/BitgetApi/IndicatorConditionSetup/SMABandConditionSetup.cs
+++ b/BitgetApi/IndicatorConditionSetup/SMABandConditionSetup.cs
@@ -51,7 +51,7 @@ namespace BitgetApi.IndicatorConditionSetup
             double sma4 = Sma4(close, i);
             double prevSma4 = Sma4(close, i - 1);
             double prev2Sma4 = Sma4(close, i - 2);
-            double prev3Sma4 = Sma4(close, i - 2);
+            double prev3Sma4 = Sma4(close, i - 3);
 
             // 밴드 계산
             double sma4High = Highest(close, i, 12);
@@ -88,7 +88,7 @@ namespace BitgetApi.IndicatorConditionSetup
             }
             else 
             {
-                if (cloudBottomNow < sma4)
+                if (!isSma4BelowCloud)
                     firstCloudFlag = false;
             }
 
@@ -117,13 +117,13 @@ namespace BitgetApi.IndicatorConditionSetup
             }
 
             else if (type == SMABandType.LongSell)
-            {
-                if (rawLongSell)
-                    firstCloudFlag = true;
+            {                
                 return rawLongSell;
             }
             else if (type == SMABandType.ShortSell)
             {
+                if (rawLongSell)
+                    firstCloudFlag = true;
                 return rawShortSell;
 
             }