How-To Lengthen the Price History Displayed in Charts:

The maximum amount of price bars currently available to be displayed in charts is 2048. To increase the default price history length use the following steps:

1. VT Trader's Ribbon>Environment menu>Options group>"Options" command>General Properties>'Communication' tab
2. Change the default value in 'History Length' to any value you choose up to 5000
3. Click "OK" button
4. Exit VT Trader completely and login again to allow the charts to reload