The answer to the OP's question lies in the individual underlying stock. If you have more than a penny or two wide spread, then there are likely to be CBOE ELECTRONIC DESIGNATED MARKET MAKER ("E-DPM") (see www.cboe.com for more info). These MM's can use flash orders to stop orders from being re-routed, and often do. They use the "save customer money on re-routing fees" argument to do so.
I suggest you try using mid point pricing as a start for the symbols you are trading. Remember to do nothing without understanding the conversion/reverse conversion math. Don't worry so much about all the detail greeks, just know your delta's, gamma's, beta's and theta's to begin with.....and understand conversion pricing. Yes, I said that twice, because without this knowledge you're in big trouble trying to judge valuations.
Keep it simple, option trading really is.
All the best,
Don
I suggest you try using mid point pricing as a start for the symbols you are trading. Remember to do nothing without understanding the conversion/reverse conversion math. Don't worry so much about all the detail greeks, just know your delta's, gamma's, beta's and theta's to begin with.....and understand conversion pricing. Yes, I said that twice, because without this knowledge you're in big trouble trying to judge valuations.
Keep it simple, option trading really is.
All the best,
Don
