How is it possible that in a long trade a Bid >= Ask doesn't get filled? (or: in a short trade where Ask <= Bid) See the Put strike 25 below. Is this maybe special to the (inefficient/manual?) NYSE system? Or does it have a different meaning?
You should know from your previous thread that Yahoo and Google option quotes may not be accurate, especially for low volume options - check your brokers quotes for final analysis. Quotes from BMO Investorline
OptionGuru, thx, the google data is handy for my scanner, ie. from IB I couldn't get that much data as I need do download in such a list form for further processing... Another reason is: I don't like to start the huge & slow TWS app...