Unusually active option classes on open February 22nd

Unusual total active option classes on open include: Terran Orbital Corp (LLAP), ProShares UltraShort Lehman 20 plus Year Treasury (TBT), Overstock com (OSTK), Antero Resources (AR), Baidu (BIDU), TJX (TJX), SPDR S&P Oil and Gas Exploration and Production (XOP), iShares Barclays 7 to 10 Year Treasury Bond Fund (IEF), Zillow (Z), and JD.com (JD).