Notable Thursday Option Activity: MO, CLX, GWW

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Altria Group Inc (MO), where a total volume of 59,305 contracts has been traded thus far today, a contract volume which is representative of approximately 5.9 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 76.7% of MO's average daily trading volume over the past month, of 7.7 million shares..