Total volume for the five business days during the week of January 12th was bolstered by two of the top ten busiest individual trading days in Exchange history. On Friday, January 16th, CBOE experienced its second busiest trading day when a reported volume of 2,581,823 contracts traded, while on Thursday, January 15th, 2,292,256 contracts were reported traded, which ranked as the sixth busiest trading day in Exchange history.
CBOE, the world's largest options marketplace and creator of listed options, is regulated by the Securities and Exchange Commission (SEC). For additional information about the CBOE and its products, access the CBOE site on the World Wide Web at http://www.cboe.com/