Notable Thursday Option Activity: MNK, HUM, DVN

Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Mallinckrodt plc (MNK), where a total of 9,906 contracts have traded so far, representing approximately 990,600 underlying shares. That amounts to about 54.8% of MNK's average daily trading volume over the past month of 1.8 million shares..