Use timestamp in UTC timezone for ROI comparisons

freqtrade/freqtradebot.py

@@ -932,7 +932,7 @@ class FreqtradeBot(LoggingMixin):
         Check and execute sell
         """
         should_sell = self.strategy.should_sell(
-            trade, sell_rate, datetime.utcnow(), buy, sell,
+            trade, sell_rate, datetime.now(timezone.utc), buy, sell,
             force_stoploss=self.edge.stoploss(trade.pair) if self.edge else 0
         )
 

freqtrade/strategy/interface.py

@@ -649,7 +649,7 @@ class IStrategy(ABC):
         :return: True if bot should sell at current rate
         """
         # Check if time matches and current rate is above threshold
-        trade_dur = int((current_time.timestamp() - trade.open_date.timestamp()) // 60)
+        trade_dur = int((current_time.timestamp() - trade.open_date_utc.timestamp()) // 60)
         _, roi = self.min_roi_reached_entry(trade_dur)
         if roi is None:
             return False