Notable Friday Option Activity: RARE, MBI, DHI

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Ultragenyx Pharmaceutical Inc (RARE), where a total of 3,302 contracts have traded so far, representing approximately 330,200 underlying shares. That amounts to about 53.6% of RARE's average daily trading volume over the past month of 615,965 shares..