Unusually active option classes on open January 16th

Unusual total active option classes on open include: Aerovate Therapeutics Inc (AVTE), Aspen Aerogels (ASPN), Symbiotic (SYM), Taiwan Semi (TSM), Morgan Stanley (MS), First Solar (FSLR), UnitedHealth (UNH), US Bancorp (USB), Fortress Transportation (FTAI), and BigBearai Holdings (BBAI).