CME Group Reaches New Open Interest Record Of 140.5 Million Contracts by The Options Insider | May 22, 2019 | Industry https://www.cmegroup.com/media-room/press-releases/2019/5/22/cme_group_reachesnewopeninterestrecordof1405millioncontracts.html?source=rss&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+mediaroom%2FCMsF+%28CME+Group+Media+Room%29