diff --git a/epl/trading_system_1.epl b/epl/trading_system_1.epl
index 4ff6487..659face 100644
--- a/epl/trading_system_1.epl
+++ b/epl/trading_system_1.epl
@@ -193,6 +193,7 @@ insert into LongEntryStream
       and EPLHelpers.laterThan(B1.time, P1.time)
       and EPLHelpers.laterThan(B2.time, P2.time)
       and EPLHelpers.laterThan(P1.time, B2.time)
+      and InTradingHours
 
 -- Because multiple streams feed LongEntryStream (CurrentTick,
 -- MaxHigh3Window, B1, B2...), an event on any of those streams causes