It seems the issue actually is not AMEX, rather it has to do with the smart route of IB after a partial fill!!
After getting a partial fill on AMEX (the only exchange which handles SANM options), I lost my place in line, and someone else came before me for...
Sorry, I am trying to delete this thread and place it in retail firms due to a clarification that came.
I sold 1 option of SANM at $.10 on AMEX which is the only available options exchange for SANM,which shows I am first on line. Then, 29 more...
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