system
A chat on subreddit /r/wallstreetbets
human
Interactive brokers has it at \~150%/year, so OP is looking to pay $800-$1000/day in interest, unless they get rid of the position fast.

gpt
Still don't get why people are shorting this stock still at that borrow rate. At least wait until lock up expiration. 
  
 Isn't there a 3 day settlement period, or no? I haven't dealt with assignment much.