DexCom put volume heavy and directionally bearish

Bearish flow noted in DexCom with 1,899 puts trading, or 1.1x expected. Most active are 9/27 weekly 58 puts and 9/27 weekly 55 puts, with total volume in those strikes near 1,600 contracts. The Put/Call Ratio is 7.57, while ATM IV is up nearly 2 points on the day. Earnings are expected on October 24th.