Notable Thursday Option Activity: COST, K, NSC
May 06, 2021 at 13:17 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Costco Wholesale Corp (COST), where a total volume of 20,507 contracts has been traded thus far today, a contract volume which is representative of approximately 2.1 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 106.3% of COST's average daily trading volume over the past month, of 1.9 million shares..