Log in to an existing Option Alpha account or create a new account.
Go to Settings > Trading Accounts in the OA app. Under 'Add Account' select TradeStation.
Follow the steps on TradeStation to connect an account with at least $10k balance to OA.
Once you are finished, you'll automatically be upgraded to the Pro level for FREE!
**Does not include any charges for exchange, OCC, and regulatory fees, or commissions for index options and single-listed index options. Exchange, OCC, and regulatory fees apply to all options transactions, including subscription plans. View TradeStation Brokerage's current fee schedule here: https://www.tradestation.com/pricing/