X4: fine tune buy protection rules.

NostalgiaForInfinityX4.py

@@ -65,7 +65,7 @@ class NostalgiaForInfinityX4(IStrategy):
     INTERFACE_VERSION = 3
 
     def version(self) -> str:
-        return "v14.0.317"
+        return "v14.0.318"
 
     # ROI table:
     minimal_roi = {
@@ -6351,13 +6351,14 @@ def populate_indicators(self, dataframe: DataFrame, metadata: dict) -> DataFrame
                 | (dataframe['rsi_14_1d'] < 46.0)
                 | (dataframe['ema_200_dec_48_1h'] == False)
             )
-            # 1h downtrend, 5m & 1h & 4h downmove, 1h & 4h & 1d still high
+            # 1h downtrend, 5m & 15m & 1h & 4h downmove, 1h & 4h & 1d still high
             &
             (
                 (dataframe['not_downtrend_1h'])
                 | (dataframe['rsi_3'] > 10.0)
                 | (dataframe['close'] > dataframe['bb20_2_low_15m'])
                 | (dataframe['close'] > dataframe['sup_level_4h'])
+                | (dataframe['rsi_3_15m'] > 36.0)
                 | (dataframe['rsi_3_1h'] > 30.0)
                 | (dataframe['rsi_3_4h'] > 36.0)
                 | (dataframe['rsi_14_1h'] < 36.0)