Bearish flow noted in DexCom (DXCM) with 4,131 puts trading, or 2x expected. Most active are Apr-25 90 puts and Apr-25 85 puts, with total volume in those strikes near 3,100 contracts. The Put/Call Ratio is 2.77, while ATM IV is up over 1 point on the day. Earnings are expected on May 1st.