diff --git a/Candles.js b/Candles.js
index e42629027..020bd3faf 100644
--- a/Candles.js
+++ b/Candles.js
@@ -68,6 +68,7 @@
         /* Listen to the necesary events. */
 
         viewPort.eventHandler.listenToEvent("Zoom Changed", onZoomChanged);
+        viewPort.eventHandler.listenToEvent("Offset Changed", onOffsetChanged);
         marketFiles.eventHandler.listenToEvent("Files Updated", onFilesUpdated);
         canvas.eventHandler.listenToEvent("Drag Finished", onDragFinished);
 
@@ -621,6 +622,15 @@
 
     }
 
+    function onOffsetChanged() {
+
+        if (Math.random() * 100 > 95) {
+
+            recalculate()
+        };
+
+    }
+
     function onDragFinished() {
 
         recalculate();
diff --git a/Volumes.js b/Volumes.js
index 9b6faf512..0fb840edd 100644
--- a/Volumes.js
+++ b/Volumes.js
@@ -64,6 +64,7 @@
         /* Listen to the necesary events. */
 
         viewPort.eventHandler.listenToEvent("Zoom Changed", onZoomChanged);
+        viewPort.eventHandler.listenToEvent("Offset Changed", onOffsetChanged);
         marketFiles.eventHandler.listenToEvent("Files Updated", onFilesUpdated);
         canvas.eventHandler.listenToEvent("Drag Finished", onDragFinished);
 
@@ -686,6 +687,17 @@
 
     }
 
+    function onOffsetChanged() {
+
+        if (Math.random() * 100 > 95) {
+
+            recalculateScaleX();
+            recalculate();
+            recalculateScaleY();
+
+        };
+    }
+
     function onDragFinished() {
 
         recalculateScaleX();