Notable Friday Option Activity: CKH, ASPS, SDRL

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in SEACOR Holdings Inc (CKH), where a total volume of 1,008 contracts has been traded thus far today, a contract volume which is representative of approximately 100,800 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 83% of CKH's average daily trading volume over the past month, of 121,495 shares..