diff --git a/Zeus_8_3_2_B_4_2.py b/Zeus_8_3_2_B_4_2.py
index fad4235..bc95ff1 100644
--- a/Zeus_8_3_2_B_4_2.py
+++ b/Zeus_8_3_2_B_4_2.py
@@ -667,6 +667,8 @@ class Zeus_8_3_2_B_4_2(IStrategy):
         informative['max60'] = talib.MAX(informative['close'], timeperiod=60)
         informative['min12'] = talib.MIN(informative['close'], timeperiod=12)
         informative['min60'] = talib.MIN(informative['close'], timeperiod=60)
+        informative['volatility'] = talib.STDDEV(informative['close'], timeperiod=14) / informative['close']
+        self.calculeDerivees(informative, 'volatility')
 
         # informative['rsi'] = talib.RSI(informative['close']) #, timeperiod=7)
         # self.calculeDerivees(informative, 'rsi')