Unusually active option classes on open December 18th

Unusual total active option classes on open include: Snow Lake Resources Ltd. (LITM), Jabil Circuit (JBL), Birkenstock Holdings PLC (BIRK), General Mills (GIS), Antero Resources (AR), ALTC Acquisition Corp (OKLO), Vodafone (VOD), KULR Technology Group (KULR), D-Wave Quantum (QBTS), and UnitedHealth (UNH).