Noteworthy Tuesday Option Activity: SLAB, INSP, NXRT

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Silicon Laboratories Inc (SLAB), where a total volume of 1,687 contracts has been traded thus far today, a contract volume which is representative of approximately 168,700 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 73.9% of SLAB's average daily trading volume over the past month, of 228,160 shares..