S&p 500 trading volume
Daily Exchange Volume and Open Interest - CME Group CME Group’s Exchange Daily Volume and Open Interest Report summarizes exchange-wide volume, including futures and options volume, for Globex, Clearport/PNT and Open Outcry. Volume figures are reported across divisions and asset classes to give you an instant grasp of market activity. What Does the S&P 500 Index Measure? - Investopedia