https://www.cmegroup.com/media-room/press-releases/2021/5/11/cme_group_grows_suiteofcvolindexestoincludekeymeasuresofimpliedv.html

https://www.thetradenews.com/nasdaq-gets-green-light-from-sec-for-volatility-index-options/

https://www.miaxoptions.com/sites/default/files/press_release-files/MIAX_Press_Release_05042021.pdf?fbclid=IwAR0k67vIGh1bkGy1Pl31Y19Eyt9ex36_wgpDZNi_nm9o3We_wdoyGF5cP6Y

https://www.cmegroup.com/media-room/press-releases/2021/5/05/cme_group_declaresquarterlydividend.html

https://www.cnbc.com/2021/05/05/cme-to-permanently-close-most-of-its-physical-trading-pits-.html

https://www.reuters.com/business/cme-group-beats-profit-estimates-lower-expenses-2021-04-28/

https://www.miaxoptions.com/sites/default/files/press_release-files/MIAX_Press_Release_04222021.pdf

https://www.cmegroup.com/media-room/press-releases/2021/4/21/cme_group_announceslaunchofcmetermsofrreferencerates.html

https://www.cmegroup.com/media-room/press-releases/2021/4/21/cme_group_integratesfxlinkwithrefinitivtradenotificationrtnandih.html

https://www.miaxoptions.com/sites/default/files/press_release-files/MIAX_Press_Release_04122021.pdf

https://www.cmegroup.com/media-room/press-releases/2021/3/30/cme_group_to_launchmicrobitcoinfuturesonmay3.html

https://www.cmegroup.com/media-room/press-releases/2021/3/29/cme_group_announcesmicroe-miniequityoptionsreachmorethan1million.html