Noteworthy Wednesday Option Activity: RDNT, TWTR, CSOD

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in RadNet Inc (RDNT), where a total of 1,500 contracts have traded so far, representing approximately 150,000 underlying shares. That amounts to about 161% of RDNT's average daily trading volume over the past month of 93,170 shares..