Notable Friday Option Activity: VLO, AVGO, CSCO

Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Valero Energy Corp (VLO), where a total of 13,867 contracts have traded so far, representing approximately 1.4 million underlying shares. That amounts to about 50.8% of VLO's average daily trading volume over the past month of 2.7 million shares..