diff --git a/crates/fidc-core/src/engine.rs b/crates/fidc-core/src/engine.rs
index 7556cd2..c7b2f1f 100644
--- a/crates/fidc-core/src/engine.rs
+++ b/crates/fidc-core/src/engine.rs
@@ -3129,7 +3129,6 @@ where
     {
         self.validate_decision_projection_calendar()?;
         let mut portfolio = PortfolioState::new(self.config.initial_cash);
-        portfolio.record_empty_simulation_origin(self.config.start_date).map_err(BacktestError::Execution)?;
         let mut manual_cursor = self.manual_execution_source.as_ref().map(|source|
             crate::manual_execution::ManualReplayCursor::from_shared(source.clone())).transpose().map_err(BacktestError::Execution)?;
         let manual_has_fills = manual_cursor.as_ref().is_some_and(|cursor| cursor.next_observation_at().is_some());
@@ -3149,6 +3148,9 @@ where
             .iter()
             .map(|(execution_date, _)| *execution_date)
             .collect::<Vec<_>>();
+        if let Some(first) = execution_dates.first() {
+            portfolio.record_empty_simulation_origin(*first).map_err(BacktestError::Execution)?;
+        }
         self.manual_corporate_replay = if manual_has_fills
             && execution_dates
                 .iter()