diff --git a/hftbacktest/src/backtest/proc/l3_local.rs b/hftbacktest/src/backtest/proc/l3_local.rs
index c9afcac6c..460acdd6b 100644
--- a/hftbacktest/src/backtest/proc/l3_local.rs
+++ b/hftbacktest/src/backtest/proc/l3_local.rs
@@ -278,8 +278,8 @@ where
                 wait_resp_order_received = true;
             }
 
-            // Processes receiving order response.
-            if order.status == Status::Filled {
+            // Processes receiving order response (full and partial fills).
+            if order.status == Status::Filled || order.status == Status::PartiallyFilled {
                 self.state.apply_fill(&order);
             }
             // Applies the received order response to the local orders.
diff --git a/hftbacktest/src/backtest/proc/local.rs b/hftbacktest/src/backtest/proc/local.rs
index adc48e25e..2c6436859 100644
--- a/hftbacktest/src/backtest/proc/local.rs
+++ b/hftbacktest/src/backtest/proc/local.rs
@@ -98,8 +98,8 @@ where
                 wait_resp_order_received = true;
             }
 
-            // Processes receiving order response.
-            if order.status == Status::Filled {
+            // Processes receiving order response (full and partial fills).
+            if order.status == Status::Filled || order.status == Status::PartiallyFilled {
                 self.state.apply_fill(&order);
             }
             // Applies the received order response to the local orders.
diff --git a/hftbacktest/src/backtest/proc/partialfillexchange.rs b/hftbacktest/src/backtest/proc/partialfillexchange.rs
index 53bca76ca..f8b18c6b6 100644
--- a/hftbacktest/src/backtest/proc/partialfillexchange.rs
+++ b/hftbacktest/src/backtest/proc/partialfillexchange.rs
@@ -152,7 +152,7 @@ where
                     // q_ahead is negative since is_filled is true and its value represents the
                     // executable quantity of this order after execution in the queue ahead of this
                     // order.
-                    let exec_qty = if filled_qty > order.leaves_qty {
+                    let exec_qty = if filled_qty >= order.leaves_qty {
                         self.filled_orders.push(order.order_id);
                         order.leaves_qty
                     } else {
@@ -192,7 +192,7 @@ where
                     // q_ahead is negative since is_filled is true and its value represents the
                     // executable quantity of this order after execution in the queue ahead of this
                     // order.
-                    let exec_qty = if filled_qty > order.leaves_qty {
+                    let exec_qty = if filled_qty >= order.leaves_qty {
                         self.filled_orders.push(order.order_id);
                         order.leaves_qty
                     } else {