Noteworthy Wednesday Option Activity: EVHC, BPMC, ALOG

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Envision Healthcare Corp (EVHC), where a total volume of 12,469 contracts has been traded thus far today, a contract volume which is representative of approximately 1.2 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 45.9% of EVHC's average daily trading volume over the past month, of 2.7 million shares..