From 2f33b97b95c62ab0fec089098a6cf1eeae01d041 Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Fri, 9 Jul 2021 07:19:44 +0200
Subject: [PATCH] Validate startup candles for backtesting correctly

closes #5250
---
 freqtrade/optimize/backtesting.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/freqtrade/optimize/backtesting.py b/freqtrade/optimize/backtesting.py
index 7c6b7cbc3..8f818047d 100644
--- a/freqtrade/optimize/backtesting.py
+++ b/freqtrade/optimize/backtesting.py
@@ -116,6 +116,7 @@ class Backtesting:
 
         # Get maximum required startup period
         self.required_startup = max([strat.startup_candle_count for strat in self.strategylist])
+        self.exchange.validate_required_startup_candles(self.required_startup, self.timeframe)
 
     def __del__(self):
         LoggingMixin.show_output = True