“Data from Interactive Brokers shows 48,000 worth of June S&P 500 puts taken out at or minutes before 2:30 Thursday. The stock market dive began at 2:40 and went as far as 998 before recovering to close down 347 points for the day”
And Martha Stewart went to jail for what.....?
Can Someone Explain The HUGE Volume Spike In Accenture An Hour Before It Hit $.01?
There is nothing illegal about betting against the market. I trade e-mini Russell futures and you can bet your bottom dollar that if I see a big seller come in (and yes if you trade real time you can see bids and offers) I either sell if I am long or reverse the trade.
Alot of traders use the tape to enter or exit a position.