The AutoTrade plan applies to stocks, options, futures and forex strategies. The license is based on the number of strategies you want to AutoTrade in your live brokerage account.
You can find out more about the AutoTrade plans by clicking here. Don't forget to move the slider button to View as Investor.
You will be asked to pay for the AutoTrade Plan during the AutoTrade setup wizard if the connection you selected requires an AutoTrade plan.
You can upgrade/downgrade your plan at anytime. Upgrades are effective immediately, downgrades at the end of the billing term.
By default, the license auto-renews.