Notable Thursday Option Activity: DEPO, AMBA, IBM

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Depomed Inc (DEPO), where a total volume of 6,846 contracts has been traded thus far today, a contract volume which is representative of approximately 684,600 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 60.6% of DEPO's average daily trading volume over the past month, of 1.1 million shares..