https://www.cmegroup.com/media-room/press-releases/2023/7/05/cme_group_reportssecond-highestjuneandq2advonrecord.html

https://www.cmegroup.com/media-room/press-releases/2023/6/29/cme_group_to_launchetherbitcoinratiofuturesonjuly31.html

https://ir.cboe.com/news-and-events/2023/06-28-2023/cboe-global-markets-plans-expand-corporate-bond-index-offering-new-options-futures-and-extended-trading-hours-ibhy-and-ibig-futures

https://www.cmegroup.com/media-room/press-releases/2023/6/27/amid_record_demandcmegroupannouncesexpansionofwtioptions.html

https://finance.yahoo.com/news/the-markets-fear-gauge-just-hit-its-lowest-level-since-january-2020-morning-brief-100023019.html

https://www.cmegroup.com/media-room/press-releases/2023/6/20/cme_group_to_launchlithiumcarbonatefuturesaselectricvehicledeman.html

https://www.cboe.com/insights/posts/russell-reconstitution-volatility-and-strategy-benchmark-indices/

https://ir.cboe.com/news-and-events/2023/06-14-2023/cboe-clear-europe-plans-introduce-clearing-service-securities-financing-transactions

https://www.cnbc.com/2023/06/12/nasdaq-to-buy-financial-software-firm-adenza-for-10point5-billion.html

https://ir.cboe.com/news-and-events/2023/06-06-2023/cboe-digital-receives-approval-launch-margin-futures-bitcoin-and-ether

https://www.cboe.com/insights/posts/three-cboe-indices-up-more-than-11-in-2023/

https://www.cboe.com/insights/posts/understanding-basis-trading-on-cboe-digital/