The platform defaults everyone as a “Johnny 1-Lot”, or a quantity of 1 for options or futures. If that matches your trading style then you keep it that way. Additionally, the default order size for stocks is 100. You may set a default order quantity for stocks, options, and futures orders by going to the Settings menu in all three trading platforms.
To learn how to adjust the order quantity, click here.
Desktop Platform Instructions
Setting Default Order Quantity
- Head to the Settings menu by clicking any gear icon
located throughout the platform.
- Once inside the Settings menu, click the “TRADE” module along the left-hand side.
- Within the Trade module, click the respective product tab (stocks, options, or futures) along the top side of the Settings menu.
- You will see a drop-down menu beneath “Default Option Order Quantity” where you may select a default quantity, but you may also enter a value by double-clicking the number.
Stocks
Options
Futures

Web Browser Platform
Setting Default Order Quantity for Options
- Sign in to tastytrade web browser platform.
- Once logged in, click “More” in the top left-hand corner. The platform menu will pop out from the left-hand side.
- Mouse down to “Settings” and click.
- Once inside the Settings menu, click “OPTIONS”.
- The Options setting menu will appear. Immediately below “Default Option Order Quantity” you will see a drop-down menu. Click the drop-down menu to select your default order quantity.

Setting Default Order Quantity for Stocks
- Sign in to tastytrade web-based platform.
- Once logged in, click “More” in the top left-hand corner. The platform menu will pop out from the left-hand side.
- Mouse down to “Settings” and click.
- Once inside the Settings menu, click “STOCKS”.
- The Stocks setting menu will appear. Immediately below “Default Option Order Quantity” you will see a drop-down menu. Click the drop-down menu to select your default order quantity.

Mobile Platform
Tap the account in the top left corner of the app. The accounts detail menu will slide out from the left. Tap on Settings. From the settings menu you can set the default order quantity for stocks, options and futures, as illustrated below.