For SPXW, the Trade lists five weeks of every day expirations for every Monday-Thursday expirations, if an EOM or EOQ falls on a Monday-Thursday it can be counted in direction of that complete. The Trade lists five months of EOW expiring options, if a 3rd Friday, EOM or EOQ https://remingtonvzwur.uzblog.net/not-known-factual-statements-about-spx-options-trading-44344194