Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Marvell Technology Group Ltd (MRVL), where a total volume of 61,875 contracts has been traded thus far today, a contract volume which is representative of approximately 6.2 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 56.8% of MRVL's average daily trading volume over the past month, of 10.9 million shares..