IB Chairman: We were in the dangerzone – 50m shares registered, 270m shares shorted on Jan 28th
https://www.bloomberg.com/news/videos/2021-02-18/peterffy-markets-came-close-to-breaking-amid-gamestop-turmoil-video
Home heardonstreet IB Chairman: We were in the dangerzone – 50m shares registered, 270m shares shorted on Jan 28th – chatter @ #wallstreetbets