Notable Monday Option Activity: C, ENDP, IBM
September 28, 2015 at 15:04 PM EDT
Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Citigroup Inc (C), where a total of 146,103 contracts have traded so far, representing approximately 14.6 million underlying shares. That amounts to about 75.1% of C's average daily trading volume over the past month of 19.5 million shares..