Go to Tools>options>Charts
Then go to ‘Max bars in history’ and fill in the white space with 999999999999999
Then go to ‘Max bars in chart’ and fill in the white space with all 999999999999999
Then go back to chart and hold down HOME key and see if you get more data.
If this does not work then you will need to add premium data to the chart. Let me know how it goes!