Ally Financial call volume above normal and directionally bullish

Bullish option flow detected in Ally Financial with 12,406 calls trading, 7x expected, and implied vol increasing over 5 points to 93.46%. 3/24 weekly 23 calls and 3/24 weekly 24 calls are the most active options, with total volume in those strikes near 4,500 contracts. The Put/Call Ratio is 0.61. Earnings are expected on April 19th.