TradeStation Help
Use the Sessions tab to set the default session for each symbol category. You can choose the regular session or create a custom session. The symbol categories are: Bonds, Futures, Future Options, Indexes, Index Options, Money Market Funds, Mutual Funds, Stocks, and Stock Options.
Access using the menu bar File > Preferences > TradeStation Desktop menu sequence and select the Sessions tab.
Symbol Category
Controls the default session of the symbol category selected. By default, all symbol categories are set to Regular session. When trading a particular symbol type in a different time zone, you may want to consider customizing a session for that particular symbol category.
Click OK to apply changes or Cancel to exit without changes.