Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in TPG RE Finance Trust Inc (TRTX), where a total volume of 4,038 contracts has been traded thus far today, a contract volume which is representative of approximately 403,800 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 79% of TRTX's average daily trading volume over the past month, of 510,850 shares..