美国6月芝加哥期权交易所（CBOE）期货平均日成交量下降21.2%，指数期权成交量增加18.6%，多地上市期权成交量增长7.6%。

Group 1 - The average daily trading volume of futures at the Chicago Board Options Exchange (CBOE) decreased by 21.2% in June [1] - The trading volume of index options increased by 18.6% [1] - The trading volume of listed options grew by 7.6% across multiple locations [1]