Details
Public Comments Due
File Number
SR-CHX-2010-23
Rule Type
Notice
Release Number
34-63487
SEC Issue Date
Notice Rule
Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Extend Pilot Program Related to Clearly Erroneous Execution Transactions
National Securities Exchanges, Chicago Stock Exchange, Inc. (CHX)
Last Reviewed or Updated: Dec. 9, 2010