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by oa335 1955 days ago
The clearinghouse requiring more margin should definitely be investigated, but it’s not unreasonable. Robinhood offers margin accounts, and may have lent money to all the traders by GME at 300-400 dollars, over 10 times what it was trading at previously. It was completely plausible that Robinhood could have gone bankrupt, which means the clearing firm would have been on the hook for all of that money.

In my opinion, what needs to be investigated more is the “payment for order flow” business.