diff --git a/stock/analysis/Common.py b/stock/analysis/Common.py
index 4da79e1..885bfc7 100644
--- a/stock/analysis/Common.py
+++ b/stock/analysis/Common.py
@@ -574,38 +574,11 @@ class Common:
 
     def check_optimal_buy_timeing(self, stock):
 
-        min_macd = min(stock['macd']) / 2
-
-        # 매수전략 #1: 깊은 하락
-        if (stock['macd'][0] < min_macd) and (stock['macdo'][1] <= 0 and 0 < stock['macdo'][0]):
-            if stock['close'][0] < stock['avg200'][0]:
-                return True
-
-        # 매수전략 #2: RSI 과매도 이후 골든크로스
-        if (stock['macd'][1] < stock['macds'][1] and stock['macds'][0] < stock['macd'][0]):
-            canBuy = False
-            if 13 < len(stock['rsi']):
-                for c in range(1, 12):
-                    if stock['rsi'][c] < 10:
-                        canBuy = True
-                        break
-                if canBuy:
+        if stock['avg120'][0] < stock['avg60'][0] < stock['avg20'][0] < stock['avg5'][0]:
+            if stock['avg240'][0] < stock['avg20'][0] < stock['avg5'][0]:
+                if stock['rsi'][0] < 70:
                     return True
 
-        # 매수전략 #3: 다이버전스
-        if (stock['macd'][1] < stock['macds'][1] and stock['macds'][0] < stock['macd'][0]):
-            canBuy = False
-            index = 0
-            if 41 < len(stock['rsi']):
-                for c in range(1, 41):
-                    if stock['macd'][c+1] < stock['macds'][c+1] and stock['macds'][c] < stock['macd'][c]:
-                        canBuy = True
-                        index = c
-                        break
-                if canBuy and stock['rsi'][index] < 30:
-                    if (stock['macd'][index] < stock['macd'][0] and min(stock['open'][0], stock['close'][0]) < min(stock['open'][index], stock['close'][index])):
-                        return True
-
         return False