SPX OPTIONS TRADING OPTIONS

For SPXW, the exchange lists 5 weeks of daily expirations for each Monday-Thursday expirations, if an EOM or EOQ falls on a Monday-Thursday it is counted to that full. The Trade lists 5 weeks of EOW expiring options, if a third Friday, EOM or EOQ expiration falls about the EOW It's not necessarily counted in the direction of the entire. The Exchang