Anybody trading 100+ SPX options per order

Traded SPX options via the pits and very happy with my executions (around midpoint). If this continues I will increase my size and move most of my trading to SPX.
 
Quote from DutchMan:

Traded SPX options via the pits and very happy with my executions (around midpoint). If this continues I will increase my size and move most of my trading to SPX.
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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.
 
Quote from nitro:

I am not going to get into it, but both posts above are inaccurate.

nitro
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100% inaccurate or 5% inaccurate?

If it is to someone else's benefit you will get a fill at the midpoint (fair value), but if no one else is interested in trading at the midpoint you won't get a fill until the market moves against you.
 
Quote from jeb9999:

100% inaccurate or 5% inaccurate?

If it is to someone else's benefit you will get a fill at the midpoint (fair value), but if no one else is interested in trading at the midpoint you won't get a fill until the market moves against you.
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15%

nitro
 
Quote from nitro:

15%

nitro
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not 14.96% :D

Btw, did some more trades on SPX and received nice executions (around midpoint and some at midpoint but that took +/- 20m for they were executed). No outright trades but spreads.
 
Quote from DutchMan:

Would Russell2000 (RUT) be a better market because of this...I like SPX because of the lower volatility but execution quality is very important...
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RUT is very good. You'd have no problems getting filled at fair prices except when the markets gap open.
 
Quote from funrettig:

RUT, don't use a broker for your size. You get better fills electronic. Either through CBOE or ISE electronic spread entry.
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Hi funrettig,
Would you mind elaborating on what you meant by the above? How does one get access to CBOE or ISE electronic spread entry? Thanks.
 
Quote from hlpsg:

Hi funrettig,
Would you mind elaborating on what you meant by the above? How does one get access to CBOE or ISE electronic spread entry? Thanks.
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Interactive Brokers offers SMART order routing (also for spreads).
 
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