diff --git a/docs/strategy-callbacks.md b/docs/strategy-callbacks.md
index 454c62072..bad96d990 100644
--- a/docs/strategy-callbacks.md
+++ b/docs/strategy-callbacks.md
@@ -589,7 +589,7 @@ This callback is called very frequently, so you must keep your implementation as
     Stoploss is still calculated from the initial opening price, not averaged price.
 
 !!! Warning "Backtesting"
-    During backtesting this callback is called for each timeframe or `timeframe-detail`, so performance will be affected.
+    During backtesting this callback is called for each candle in `timeframe` or `timeframe_detail`, so performance will be affected.
 
 ``` python
 from freqtrade.persistence import Trade
diff --git a/freqtrade/freqtradebot.py b/freqtrade/freqtradebot.py
index 618fde05a..14a38beb5 100644
--- a/freqtrade/freqtradebot.py
+++ b/freqtrade/freqtradebot.py
@@ -695,6 +695,8 @@ class FreqtradeBot(LoggingMixin):
         if open_rate is None:
             open_rate = trade.open_rate
 
+        current_rate = self.exchange.get_rate(trade.pair, refresh=False, side="buy")
+
         msg = {
             'trade_id': trade.id,
             'type': RPCMessageType.BUY_FILL if fill else RPCMessageType.BUY,
@@ -709,7 +711,7 @@ class FreqtradeBot(LoggingMixin):
             'fiat_currency': self.config.get('fiat_display_currency', None),
             'amount': safe_value_fallback(order, 'filled', 'amount') or trade.amount,
             'open_date': trade.open_date or datetime.utcnow(),
-            'current_rate': trade.open_rate_requested,
+            'current_rate': current_rate,
         }
 
         # Send the message