Notable Tuesday Option Activity: CVLT, NNOX, ON

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in CommVault Systems Inc (CVLT), where a total volume of 1,576 contracts has been traded thus far today, a contract volume which is representative of approximately 157,600 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 48.4% of CVLT's average daily trading volume over the past month, of 325,390 shares..