Unusually active option classes on open July 31st

Unusual total active option classes on open include: Ambev (ABEV), Energy Sector SPDR ETF (XLE), Lumen Technologies (LUMN), ASML (ASML), Mastercard (MA), Pinduoduo (PDD), Kraft Heinz (KHC), Altria Group (MO), Freeport McMoRan (FCX), and Norwegian Cruise Lines (NCLH).