diff --git a/hts/BuySellChecker.py b/hts/BuySellChecker.py
index 1c52191..6f7e5de 100644
--- a/hts/BuySellChecker.py
+++ b/hts/BuySellChecker.py
@@ -373,7 +373,7 @@ class BuySellChecker:
         slow_d = stochastic_df['slow_d'].values.tolist()
 
         # rsi 계산
-        rsi_df = self.rsi.apply(STOCK)
+        rsi_df = self.rsi.apply(STOCK, period=14, window=9)
         rsi_df = rsi_df.fillna(100)
         rsi = rsi_df['rsi'].values.tolist()
         rsis = rsi_df['rsis'].values.tolist()