Notable Tuesday Option Activity: CLCT, IOVA, CODX

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Collectors Universe Inc (CLCT), where a total volume of 745 contracts has been traded thus far today, a contract volume which is representative of approximately 74,500 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 60.6% of CLCT's average daily trading volume over the past month, of 122,970 shares..