TradeStation Web Trading
The Chart Configuration dialog is used to change the interval and lookback (price history) setting for the chart view.
Interval - Select the time interval for each bar (Minute, Daily, Weekly, Monthly) from the drop-down list. For Minute, enter the number of minutes per bar in the text box to the right.
Lookback - Select the number of days of price history data to be loaded into the chart.
Click OK to apply the specified settings. Click Cancel or 'X' to exit without changes.