Unusually active option classes on open September 4th

Unusual total active option classes on open include: Yext (YEXT), Centene (CNC), ZIM Integrated Shipping Services (ZIM), EFA (EFA), Clover Health (CLOV), NIO (NIO), Iris Energy (IREN), NVIDIA (NVDA), NovaDel Pharma (NVDL), and VIX ShortTerm Futures ETN (VXX).