Bullish option flow detected in GSK Pharma with 1,198 calls trading, 1.1x expected, and implied vol increasing over 1 point to 23.41%. Jun-24 43 calls and Jun-24 43 puts are the most active options, with total volume in those strikes near 1,100 contracts. The Put/Call Ratio is 0.57. Earnings are expected on May 1st.