diff --git a/src/NT8.Strategies/Examples/SimpleORBStrategy.cs b/src/NT8.Strategies/Examples/SimpleORBStrategy.cs
index f34857d..88e00a5 100644
--- a/src/NT8.Strategies/Examples/SimpleORBStrategy.cs
+++ b/src/NT8.Strategies/Examples/SimpleORBStrategy.cs
@@ -157,18 +157,18 @@ namespace NT8.Strategies.Examples
                         ? context.Session.SessionStart
                         : context.CurrentTime.Date.AddHours(9.5);
 
-                    // Validate session start is a legitimate RTH boundary (08:00-10:30 ET).
-                    // Rejects spurious ETH-derived session boundaries that can reset _tradeTaken mid-session.
+                    // Guard: only reset when the TRADING DATE has changed, not just the session
+                    // start timestamp. Using trading date prevents mid-session resets caused by
+                    // _openingRangeStart holding a stale value from a previous day.
+                    DateTime thisTradingDate = thisSessionStart.Date;
+
                     TimeSpan sessionStartTime = thisSessionStart.TimeOfDay;
                     bool isValidRthSessionStart = sessionStartTime >= new TimeSpan(8, 0, 0)
                         && sessionStartTime <= new TimeSpan(10, 30, 0);
 
-                    if (isValidRthSessionStart)
+                    if (isValidRthSessionStart && thisTradingDate != _currentSessionDate)
                     {
-                        if (thisSessionStart != _openingRangeStart || _currentSessionDate == DateTime.MinValue)
-                        {
-                            ResetSession(thisSessionStart);
-                        }
+                        ResetSession(thisSessionStart);
                     }
 
                     // Only trade during RTH