Noteworthy Thursday Option Activity: NTAP, ROST, ANET

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in NetApp, Inc. (NTAP), where a total volume of 10,368 contracts has been traded thus far today, a contract volume which is representative of approximately 1.0 million underlying shares (given that every 1 contract represents 100 underlying shares)..