TradeStation Help
The Equities tab allows you to select the desired account number you want to use for your Equities account orders & positions, and strategies.
Access from the Format Account Orders & Positions dialog and click Account No. The Format Account Number dialog is displayed.
Futures Account No.
Contains the account number(s) associated for the active window.
Set as Default - Check this setting to apply these settings as the default for all future Account Orders & Positions.
Click OK to apply changes or Cancel to exit without changes.