Bullish option flow detected in NetApp with 2,239 calls trading, 1.6x expected, and implied vol increasing almost 2 points to 27.28%. 2/22 weekly 65 calls and 2/22 weekly 65.5 calls are the most active options, with total volume in those strikes near 1,900 contracts. The Put/Call Ratio is 0.13. Earnings are expected on May 22nd.