Customers have the option to receive delayed market data for contracts to which they do not currently hold market data subscriptions. You can elect to receive delayed data by clicking the Free Delayed Data button from a non-subscribed ticker row.
You can choose to trade with no data and not see the subscription and delay data buttons by turning off the prompts in Global Configuration.
To hide market data buttons
To re-enable market data buttons
If you have subscribed to delayed data, but wish to remove it, click the Reset Subscription button.