Noteworthy Monday Option Activity: COST, GVA, LPLA
October 31, 2016 at 11:25 AM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Costco Wholesale Corp (COST), where a total volume of 18,379 contracts has been traded thus far today, a contract volume which is representative of approximately 1.8 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 85.1% of COST's average daily trading volume over the past month, of 2.2 million shares..