From cfa9315e2a3dd1706bca0f09a4e1e48315912ec3 Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Tue, 20 Apr 2021 20:29:53 +0200
Subject: [PATCH] Prevent out of candle ROI sells

---
 freqtrade/optimize/backtesting.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/freqtrade/optimize/backtesting.py b/freqtrade/optimize/backtesting.py
index ff1dd934c..a1d4a2578 100644
--- a/freqtrade/optimize/backtesting.py
+++ b/freqtrade/optimize/backtesting.py
@@ -239,7 +239,7 @@ class Backtesting:
                 # Use the maximum between close_rate and low as we
                 # cannot sell outside of a candle.
                 # Applies when a new ROI setting comes in place and the whole candle is above that.
-                return max(close_rate, sell_row[LOW_IDX])
+                return min(max(close_rate, sell_row[LOW_IDX]), sell_row[HIGH_IDX])
 
             else:
                 # This should not be reached...