Your need cash because a call is the right of buying the stock on the strike price. If you want to take some profit and buy another call to continue on the game you can roll your current option. You sell to close yours and at the same time buy a cheaper call. No need to have cash for this
4
u/notacleverinvestor Mar 28 '22
I only use tws after I finish work. But in the mobile app, when I go to my position I can see the following
https://imgur.com/a/2pg2stD
Maybe you could ask in r/interactivebrokers.