> Exchanges do indeed go down, and when they do they shrug their shoulders and say "woops". Yeah, no. Tape is reversed all the time in event of oops. Probably

> Exchanges do indeed go down, and when they do they shrug their shoulders and say "woops". Yeah, no. Tape is reversed all the time in event of oops. Probably the most famous one was when Knight [NITE] had "oops" and started making markets in itself, tanked the stock, had millions of dollars executed against it and got NASDAQ to REVERSE completed transactions, including the ones painted via SOES.