Notable Thursday Option Activity: MNK, CELG, DE
January 12, 2017 at 14:30 PM EST
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Mallinckrodt plc (MNK), where a total volume of 10,012 contracts has been traded thus far today, a contract volume which is representative of approximately 1.0 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 59.6% of MNK's average daily trading volume over the past month, of 1.7 million shares..