diff --git a/Candles.js b/Candles.js
index 2529815fc..610ff6e6a 100644
--- a/Candles.js
+++ b/Candles.js
@@ -17,6 +17,7 @@
         setTimePeriod: setTimePeriod,
         setDatetime: setDatetime,
         draw: draw,
+        recalculateScale: recalculateScale, 
 
         /* Events declared outside the plotter. */
 
diff --git a/Volumes.js b/Volumes.js
index dc57d7438..a2569c9f8 100644
--- a/Volumes.js
+++ b/Volumes.js
@@ -20,6 +20,7 @@
         getContainer: getContainer,
         setTimePeriod: setTimePeriod,
         setDatetime: setDatetime,
+        recalculateScale: recalculateScale, 
         draw: draw
     };
 
@@ -93,6 +94,14 @@
         }
     }
 
+    function recalculateScale() {
+
+        recalculateScaleX();
+        recalculate();
+        recalculateScaleY();
+
+    }
+
     function getContainer(point) {
 
         try {