Notable Tuesday Option Activity: EQIX, UNH, CBS
October 18, 2016 at 14:00 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Equinix Inc (EQIX), where a total volume of 3,703 contracts has been traded thus far today, a contract volume which is representative of approximately 370,300 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 69% of EQIX's average daily trading volume over the past month, of 537,010 shares..