Notable Tuesday Option Activity: ADT, CHK, WU

Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in ADT Corp (ADT), where a total of 12,090 contracts have traded so far, representing approximately 1.2 million underlying shares. That amounts to about 86.5% of ADT's average daily trading volume over the past month of 1.4 million shares..