Noteworthy Friday Option Activity: DFIN, CLFD, OMF

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Donnelley Financial Solutions Inc (DFIN), where a total of 8,002 contracts have traded so far, representing approximately 800,200 underlying shares. That amounts to about 341.6% of DFIN's average daily trading volume over the past month of 234,230 shares..