Noteworthy Thursday Option Activity: HCA, AMGN, FFIV
November 30, 2017 at 13:26 PM EST
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in HCA Healthcare Inc (HCA), where a total volume of 12,134 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 55.2% of HCA's average daily trading volume over the past month, of 2.2 million shares..