diff --git a/nbproject/project.properties b/nbproject/project.properties
index 54118b8..923f673 100644
--- a/nbproject/project.properties
+++ b/nbproject/project.properties
@@ -1,4 +1,4 @@
-#Sun, 10 Dec 2017 18:25:56 +0100
+#Sun, 10 Dec 2017 18:46:05 +0100
 annotation.processing.enabled=true
 annotation.processing.enabled.in.editor=false
 annotation.processing.processors.list=
diff --git a/src/chart/MasterChart.java b/src/chart/MasterChart.java
index 64d46f7..3cc6ca1 100644
--- a/src/chart/MasterChart.java
+++ b/src/chart/MasterChart.java
@@ -150,7 +150,7 @@ public class MasterChart extends javax.swing.JPanel implements QuoteReceiver {
         this.yLegend.setChartDef(chartDef);
 
         ChartPainter p;
-        mydata = Globals.se.getOHLCdata(60000 * 20);
+        mydata = Globals.se.getOHLCdata(Globals.se.getDefaultStock(),60000 * 20);
 
         this.xScrollBar.setMaximum(0);
 
diff --git a/src/gui/MainChart.java b/src/gui/MainChart.java
index f54ddb4..ea5a173 100644
--- a/src/gui/MainChart.java
+++ b/src/gui/MainChart.java
@@ -122,7 +122,7 @@ setCursor(new MyCursor(Cursor.CROSSHAIR_CURSOR));
 
     protected final void setCompression0(int timeFrame) {
         javax.swing.SwingUtilities.invokeLater(() -> {
-            data = Globals.se.getOHLCdata(timeFrame);
+            data = Globals.se.getOHLCdata(Globals.se.getDefaultStock(),timeFrame);
             invalidate();
             repaint();
         });
diff --git a/src/sesim/Exchange.java b/src/sesim/Exchange.java
index b813a6a..8f3661f 100644
--- a/src/sesim/Exchange.java
+++ b/src/sesim/Exchange.java
@@ -144,7 +144,7 @@ public class Exchange {
         public void orderUpdated(Order o);
     }
 
-    HashMap<Integer, OHLCData> ohlc_data = new HashMap<>();
+    //HashMap<Integer, OHLCData> ohlc_data = new HashMap<>();
 
     public OHLCData buildOHLCData(int timeFrame) {
         Stock stock = getDefaultStock();
@@ -193,21 +193,21 @@ public class Exchange {
 
     }
 
-    public OHLCData getOHLCdata(Integer timeFrame) {
+    public OHLCData getOHLCdata(Stock stock,Integer timeFrame) {
         OHLCData data;
-        data = ohlc_data.get(timeFrame);
+        data = stock.ohlc_data.get(timeFrame);
         if (data == null) {
 
             synchronized (executor) {
                 data = this.buildOHLCData(timeFrame);
-                ohlc_data.put(timeFrame, data);
+                stock.ohlc_data.put(timeFrame, data);
             }
         }
         return data;
     }
 
-    void updateOHLCData(Quote q) {
-        Iterator<OHLCData> it = ohlc_data.values().iterator();
+    void updateOHLCData(Stock stock,Quote q) {
+        Iterator<OHLCData> it = stock.ohlc_data.values().iterator();
         while (it.hasNext()) {
             OHLCData data = it.next();
             data.realTimeAdd(q.time, (float) q.price, (float) q.volume);
@@ -319,7 +319,7 @@ public class Exchange {
         statistics = new Statistics();
         //num_trades = 0;
 
-        this.ohlc_data = new HashMap();
+       // getDefaultStock().ohlc_data = new HashMap();
 
         // Create order books
 
@@ -917,7 +917,7 @@ public class Exchange {
 
         Stock stock = getDefaultStock();
         stock.quoteHistory.add(q);
-        updateOHLCData(q);
+        updateOHLCData(stock,q);
         updateQuoteReceivers(q);
     }
 
diff --git a/src/sesim/Stock.java b/src/sesim/Stock.java
index 10ffb16..ed38b1e 100644
--- a/src/sesim/Stock.java
+++ b/src/sesim/Stock.java
@@ -57,6 +57,7 @@ public class Stock {
         }
 
         quoteHistory = new TreeSet();
+        ohlc_data = new HashMap();        
     }
 
     String getSymbol() {
@@ -75,4 +76,6 @@ public class Stock {
      */
     public TreeSet<Quote> quoteHistory; // = new TreeSet<>();
 
+     HashMap<Integer, OHLCData> ohlc_data = new HashMap<>();
+    
 }