Noteworthy Thursday Option Activity: IPHI, CLF, ATHN

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Inphi Corp (IPHI), where a total of 14,175 contracts have traded so far, representing approximately 1.4 million underlying shares. That amounts to about 229.8% of IPHI's average daily trading volume over the past month of 616,885 shares..