Notable Wednesday Option Activity: PSX, BIIB, JCI
January 17, 2018 at 13:19 PM EST
Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Phillips 66 (PSX), where a total of 7,432 contracts have traded so far, representing approximately 743,200 underlying shares. That amounts to about 47% of PSX's average daily trading volume over the past month of 1.6 million shares..