Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in PriceSmart Inc (PSMT), where a total volume of 1,060 contracts has been traded thus far today, a contract volume which is representative of approximately 106,000 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 52.4% of PSMT's average daily trading volume over the past month, of 202,290 shares..