AstraZeneca call volume above normal and directionally bullish

Bullish option flow detected in AstraZeneca with 2,697 calls trading, 2x expected, and implied vol increasing over 1 point to 24.35%. May-24 72.5 calls and 4/26 weekly 72 calls are the most active options, with total volume in those strikes near 1,700 contracts. The Put/Call Ratio is 0.57. Earnings are expected on April 25th.