Notable Monday Option Activity: VRAY, ACIA, TLYS

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in ViewRay Inc (VRAY), where a total of 2,261 contracts have traded so far, representing approximately 226,100 underlying shares. That amounts to about 46% of VRAY's average daily trading volume over the past month of 491,975 shares..