To change the time interval of a chart on Optimus Trader, users will first need to open a chart and apply a contract to it as well as select the live trading account they wish to use.
Once a chart is open with an applied contract and trading account:
1. Left click one of the various timer interval buttons found along the bottom of the chart widget. Available time intervals on Optimus Trader are weekly, daily, 12-hour, six-hour, four-hour, one hour, 30-minute, 15-minute, 5-minute, and 1-minute intervals.