diff --git a/stock/analysis/AnalyzerSqlite.py b/stock/analysis/AnalyzerSqlite.py
index 200b2c1..c0e5af4 100644
--- a/stock/analysis/AnalyzerSqlite.py
+++ b/stock/analysis/AnalyzerSqlite.py
@@ -725,13 +725,14 @@ class AnalyzerSqlite:
         self.rsi.analyze(stock)
         self.macd.analyze(stock)
 
+        close_list = [price['close'] for price in stock['PRICE']]
         # 트렌드: 실시간 정상 작동 안됨
-        size = int(len(stock['PRICE']) / 20)
+        size = int(len(close_list) / 20)
         pos = round(size / 2)
-        close_temp = stock["close"] + [stock["close"][-1]] * pos
+        close_temp = close_list + [close_list[-1]] * pos
         decomposition_results = seasonal_decompose(close_temp, model='multiplicative', period=size)
         trend = decomposition_results.trend[:-pos]
-        trend_df = pd.DataFrame(trend).fillna(stock["close"][0])
+        trend_df = pd.DataFrame(trend).fillna(close_list[0])
 
         sorted_stock = sorted(stock["PRICE"], key=lambda x: x['ymd'], reverse=True)
         for price in sorted_stock: