NTAP - Unusual Call Volume Increase

Unusual Option Volume Alert: NTAP calls options are actively trading with the front-month 25 and 27.50 calls seeing the bulk of the volume. October 25 and 30 calls are also active. At this point, buyers appear in control of the price action given that the implied volatility in the September 25 calls has moved up more than 20% today to 37-38 from 30 yesterday.