Noteworthy Wednesday Option Activity: ANAB, UNH, RBLX

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in AnaptysBio Inc (ANAB), where a total of 12,964 contracts have traded so far, representing approximately 1.3 million underlying shares. That amounts to about 254.7% of ANAB's average daily trading volume over the past month of 509,010 shares..