Unusually active option classes on open February 13th

Unusual total active option classes on open include: ProShares UltraShort Lehman 20 plus Year Treasury (TBT), ProShares UltraPro Short Dow 30 (SDOW), Fastly Inc (FSLY), Lockheed (LMT), Mosaic (MOS), Oracle (ORCL), Bilibili (BILI), Lyft (LYFT), Li Auto (LI), and Paramount Global (PARA).