iRobot call volume above normal and directionally bullish

Bullish option flow detected in iRobot (IRBT) with 25,114 calls trading, 5x expected, and implied vol increasing almost 12 points to 127.07%. 3/7 weekly 12 calls and 2/28 weekly 10 calls are the most active options, with total volume in those strikes near 12,100 contracts. The Put/Call Ratio is 0.21. Earnings are expected on March 11th.