Notable Friday Option Activity: MAT, SNDK, BIIB
July 17, 2015 at 15:26 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Mattel Inc (MAT), where a total volume of 32,921 contracts has been traded thus far today, a contract volume which is representative of approximately 3.3 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 83.1% of MAT's average daily trading volume over the past month, of 4.0 million shares..