Notable Friday Option Activity: USNA, NRE, SWK

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in USANA Health Sciences Inc (USNA), where a total of 1,672 contracts have traded so far, representing approximately 167,200 underlying shares. That amounts to about 60.2% of USNA's average daily trading volume over the past month of 277,830 shares..