system
A chat on subreddit /r/wallstreetbets
human
Your bought calls is the collateral for the sold calls. Next time, I recommend doing both in the same transaction. For a basic call debit spread, buy a call, and sell the same amount a little more out of the money.

gpt
Okay so am i correct in assuming that if my short calls got assigned robinhood would front the cost to exercise my long calls to cover everything?