Notable Thursday Option Activity: KALV, AMED, TRUP

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in KalVista Pharmaceuticals Inc (KALV), where a total volume of 5,088 contracts has been traded thus far today, a contract volume which is representative of approximately 508,800 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 159.1% of KALV's average daily trading volume over the past month, of 319,810 shares..