"These trades were all crossed, the same HUGE options firm is on both sides of the trades and there was NO or tiny open interest in those strikes before those trades.
I a lot of people in the business started poking around once those trades hit the tape and its very difficult to keep much secret in todays markets.
These trades were an account swap so inject some capital from one part of the same firm to another where I would suspect they took some big hits."
looks like another October crash then...