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You are paying to take liquidity. Depending where your order is routed, some exchanges will charge you to take liquidity, some will give you a rebate to provide liquidity and some will not charge or pay. You can adjust the smart router to maximize rebates, best fills, etc. If you select max...

What product? Stock, options, futures? How did you route the order, direct, smart?

Would this cause you to be labeled a "professional" causing higher quote fees?

Is it possible the bust occurred earlier and your broker delayed telling you about it or you noticed it later?

As mentioned already, you will need to go with a Prop/JBO to get relief between futures and non futures options. When I held SPX option combos vs futures it was no problem in JBO, but very high margin with Portfolio Margin. The problem now is with the Prop/JBO firms I know of now, they will...

It really depends on both sides. If I buy to open a contract from someone else who is selling to close, there is no change in OI.

Assuming zero open interest to start, A buys 30 options from MM, OI is now 30 (A long 30, MM short 30) B sells 15 options to same MM, OI is still 30 (A is long 30, B is short 15, MM, is short 15)

IRNT is very hard to borrow. If you are able to locate short stock, you will pay 760% as of this morning. This causes the puts to trade much higher, as people will pay up for synthetic shorts. If you sell a box here, you risk early assignment on your calls and paying this interest until you...

The CBOE used to allow you to ask them for new strikes directly, but as of about a year ago they now make you go through your broker to make the request. My broker has done this on my behalf and they have turned down every request we have made (SPX) New-Series-Requests.pdf (cboe.com)

I agree, but the OP asked about trading with no data connection as he had access to data from other sources.

I believe you can avoid these fees with delayed data. If you don't need real time, this might be an option. Robert Morse, is this the case?

SPRT available for me today @85%. IS IB offering any today?

Apex short rate today in SPRT is 201% but unavailable when I tried to locate later in the day.

Excellent. Thank you for this Alex. It seemed that we started out a bit too confrontational. Every source I looked at including the OCC website, OCC email contact and a call to the OCC gave different information. That's why it was a bit frustrating for you to simply say your wrong or "good...

I just emailed the OCC with this question, "Hi, Hopping you can answer the following question. If an option trade is done upstairs/OTC between two firms, will the OCC guarantee this trade if they report it to the OCC, or will the trade have to actually take place on an exchange for the OCC to...

Said I wasn't going to respond, but one more time. Saying I'm wrong with no proof other than a cut and paste that doesn't answer any questions raised and no explanation on your part of any issues or points made is completely worthless. On the SPX issue you may be talking about a SPX Flex...

No ego, not tying to prove anything. I don't think we are gone to get anywhere with this conversation. Your link doesn't address the statement I posted directly from the OCC page, "As mandated by the SEC, standardized U.S. equity options are to be executed solely on exchanges. All equity...

What a cop out. You have been in this business for a long time, including the education arm. You made a statement that goes against what is specifically stated on the OCC site. Instead of either admitting you are wrong, are partially wrong or teaching us why you are right through...

Not saying this may not be true, but have never heard of this. The OCC site itself says a trade must be executed on an exchange (for a standard contract for OCC guarantee, non OTC). In my years of trading, there was always a fight on how much would be allowed to cross of an order with threats...

So you seem to be saying exactly what I said. This would be an OTC trade without OCC guarantees, subject to contra party risk. If you want OCC guarantee or a standardized option that can be traded out of on any of the exchanges, it must be executed on an exchange. Are you saying something...