Notable Thursday Option Activity: FB, COST, FDX

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Facebook Inc (FB), where a total volume of 303,880 contracts has been traded thus far today, a contract volume which is representative of approximately 30.4 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 151.2% of FB's average daily trading volume over the past month, of 20.1 million shares..