Notable Tuesday Option Activity: MSM, V, ARNA

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in MSC Industrial Direct Co Inc (MSM), where a total volume of 3,023 contracts has been traded thus far today, a contract volume which is representative of approximately 302,300 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 43% of MSM's average daily trading volume over the past month, of 703,305 shares..