diff --git a/stock/analysis/Common.py b/stock/analysis/Common.py
index ed56b16..4da79e1 100644
--- a/stock/analysis/Common.py
+++ b/stock/analysis/Common.py
@@ -602,8 +602,8 @@ class Common:
                         canBuy = True
                         index = c
                         break
-                if canBuy and stock['rsi'][0 - index] < 30:
-                    if (stock['macd'][0 - index] < stock['macd'][0] and min(stock['open'][0], stock['close'][0]) < min(stock['open'][0 - index], stock['close'][0 - index])):
+                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