CBOE To List SPX Wednesday-Expiring Weeklys Options Press Release via PRNewswire The Chicago Board Options Exchange (CBOE) today announced that it plans to list S&P 500 Index (SPX) Wednesday-expiring Weeklys options beginning February 23, 2016. CBOE's new SPX Wednesday-expiring Weeklys options, or "Wednesday Weeklys," will generally have the same characteristics as CBOE's Friday-expiring SPX Weeklys options, with the exception of their listing and expiration dates. Wednesday Weeklys will typically be listed on Tuesdays and expire on the Wednesday of the following week. SPX options continue to be the most actively traded U.S. index option and, in 2015, set a new annual volume record of 236.5 million contracts, with average daily volume (ADV) of 938,620 contracts, an increase of 6 percent over 2014. jlne.ws/20jmNbM