Noteworthy Monday Option Activity: OSTK, TWTR, PF
September 25, 2017 at 15:54 PM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Overstock. om Inc (OSTK), where a total volume of 3,095 contracts has been traded thus far today, a contract volume which is representative of approximately 309,500 underlying shares (given that every 1 contract represents 100 underlying shares).