It depends on what their total short position is. They are exposed to unlimited downside exposure. When the month ends, whatever the GME close is, they are on the hook for 140% of the stock (which is both absurd and true).
If the price is anywhere close to $300, then they are looking at around $20B based on a float of 45M shares (add 40 percent on to that).
Government Sachs is worried and talking systemic risk today, so . . .
AFAIK, they don't have one. Have you seen anything on their positions?
When the month ends, whatever the GME close is, they are on the hook for 140% of the stock (which is both absurd and true).
Why would Citadel, or anyone, be on the hook for 140% of the stock?