One new option listing and fifteen option delistings on October 22nd

New option listings for October 22nd include GRISTONE BIO, INC. (GRTSQ). Option delistings effective October 22nd include POWERSCHOOL HOLDINGS INC (PWSC), Perficient, Inc. (PRFT), KRANESHARES CICC CHINA 5G & SEMICONDUCTOR INDEX (KFVG), KRANESHARES S&P PAN ASIA DIV ARISTOCRATS INDEX ETF (KDIV), Hawaiian Holdings, Inc. (HA), G1 Therapeutics Inc (GTHX), Gritstone Oncology (GRTS), VanEck Ethereum Strategy ETF (EFUT), Doma Holdings, Inc. (DOMA), Chuy’s Holdings Inc (CHUY), AUGMEDIX INC (AUGX), THE AARONS COMPANY INCCOM (AAN), Tellurian Inc (TELL), Vector Group Ltd (VGR), and Walkme Ltd. (WKME).