Notable Thursday Option Activity: JPM, MTG, CBRL

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in JPMorgan Chase & Co (JPM), where a total volume of 85,319 contracts has been traded thus far today, a contract volume which is representative of approximately 8.5 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 83.2% of JPM's average daily trading volume over the past month, of 10.3 million shares..