From 8480f537308994a67ee89015659d6cec09615435 Mon Sep 17 00:00:00 2001
From: chrisapril <shizou@gmx.de>
Date: Tue, 2 Jan 2018 16:05:54 +0100
Subject: [PATCH] add backtesting

---
 freqtrade/optimize/backtesting.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/freqtrade/optimize/backtesting.py b/freqtrade/optimize/backtesting.py
index 984ca3e72..c3ce2ff6d 100644
--- a/freqtrade/optimize/backtesting.py
+++ b/freqtrade/optimize/backtesting.py
@@ -105,6 +105,10 @@ def backtest(stake_amount: float, processed: Dict[str, DataFrame],
 
             # calculate win/lose forwards from buy point
             for row2 in ticker[row.Index + 1:].itertuples(index=True):
+                
+                # Update statistic values for trailing stoploss
+                trade.update_stats(row2.close, backtest=True)
+                
                 if max_open_trades > 0:
                     # Increase trade_count_lock for every iteration
                     trade_count_lock[row2.date] = trade_count_lock.get(row2.date, 0) + 1