From c2738e05987af383c8da665c257ad7821602fe56 Mon Sep 17 00:00:00 2001
From: Chris Sellers <chris@cjdsellers.io>
Date: Thu, 28 Mar 2024 17:52:07 +1100
Subject: [PATCH] Fix BacktestNode streaming data management

---
 RELEASES.md                      | 2 +-
 nautilus_trader/backtest/node.py | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/RELEASES.md b/RELEASES.md
index aa267489f0c2..c5191accb5cc 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -14,7 +14,7 @@ Released on TBD (UTC).
 - Renamed `Indicator.handle_book_mbo` and `Indicator.handle_book_mbp` to `handle_book` (consolidated)
 
 ### Fixes
-None
+- Fixed `BacktestNode` streaming data management (was not clearing between chunks), thanks for the report @dpmabo
 
 ---
 
diff --git a/nautilus_trader/backtest/node.py b/nautilus_trader/backtest/node.py
index f7e3d1a9261e..e5dd2c3d8ed6 100644
--- a/nautilus_trader/backtest/node.py
+++ b/nautilus_trader/backtest/node.py
@@ -332,6 +332,7 @@ def _run_streaming(
                 run_config_id=run_config_id,
                 streaming=True,
             )
+            engine.clear_data()
 
         engine.end()
         engine.dispose()