Prometheus Biosciences put volume heavy and directionally bearish

Bearish flow noted in Prometheus Biosciences with 4,182 puts trading, or 3x expected. Most active are Jan-23 20 puts and Dec-22 40 puts, with total volume in those strikes near 3,500 contracts. The Put/Call Ratio is 8.82, while ATM IV is up nearly 4 points on the day. Earnings are expected on March 9th.