On September 6th, the SEC suspended the Chicago Board Options Exchange's proposed rule change and instituted proceedings to determine whether to approve or disapprove it. The proposal would amend the customer large trade discount for any executing Trading Permit Holder whose affiliate is the issuer of one or more securities, the combined total asset value of which is $1 billion or greater, that are based on or track the performance of VIX futures. Comments should be submitted on or before October 3, 2012. Rebuttal comments should be submitted on or before October 17, 2012. SEC Release No. 34-67794.