Quote from yip1997:
Mark,
You was a MM and familiar with haircut. Why do you trade retail under reg-T and not prop with haircut now?
Good question.
1) Commissions are so cheap (75 cents per option) that I don't need the lower costs of the prop shop.
2) Haircut would allow me to be more efficient with capital. But it also allows larger positions and hence, more risk. I don't want an excuse to carry larger positions.
There is one very good reason for having MM haircut, but I have not made any effort in that direction: I would own some black swan protection in the form put backspreads. I cannot afford to carry them in my retail account. Call backspreads are much cheaper to carry.
(To answer the inevitable question: Diagonal call backspreads can be done with strikes 30 points apart in RUT. That means a single 3 x 2 spread requires margin of 6k. For puts - because I want to collect a cash credit - the strikes are 60 points apart - and a simple 3 x 2 carries a margin requiremnt of 12k. That ties up too much cash to gain only one net put.)
Mark