Noteworthy Thursday Option Activity: COUP, KPTI, GRA

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Coupa Software Inc (COUP), where a total volume of 5,279 contracts has been traded thus far today, a contract volume which is representative of approximately 527,900 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 40.6% of COUP's average daily trading volume over the past month, of 1.3 million shares..