Schlumberger call volume above normal and directionally bullish

Bullish option flow detected in Schlumberger with 10,329 calls trading, 1.8x expected, and implied vol increasing almost 3 points to 32.54%. 4/26 weekly 57 calls and 4/12 weekly 55 calls are the most active options, with total volume in those strikes near 4,100 contracts. The Put/Call Ratio is 0.27. Earnings are expected on April 19th.