Quote from funrettig:
Okay. I just saw this thread. I've MM'd many indices in europe and usa for my firm (SPX/RUT/DAX/IWM/SPY included). XFA is a good brokerage to work your SPX orders. Don't really need to look for anyone else. If I had to choose US index product for some "income generating" trades, it would for sure be SPX/RUT. No others. SPY/IWM have too high trading costs. For iron condors - SPX might give .05 cents better fills than RUT). But for the rest of the spreads (assume near delta neutral), relatively the exact same. For the RUT however, in a fast mkt, you will be able to get out for a better price (SPX is pit traded, when the floor goes crazy, your 100x lot will mean shit)
RUT, don't use a broker for your size. You get better fills electronic. Either through CBOE or ISE electronic spread entry.
It seems that you are "managing" these positions, so I would go with the RUT for the safety factor (allows for a lower adjustment cost when markets really move).
Let me know if you have any more questions.
