CHX Information Memorandum MR-17-03: The Intermarket Surveillance Group Modifies Certain Electronic Blue Sheet Data Elements – Effective February 6, 2017
CHX Information Memorandum MR-17-02: Proposed Rule Change to Adopt the CHX Article 23 Rule Series (Consolidated Audit Trail Compliance Rule)
CHX Information Memorandum MR-17-01: Proposed Rule Change to Replace the CHX Market Maker Authorized Trader Examination with the Securities Trader (Series 57) Qualification Examination Registration
CHX Readies IEX-Style Speed Bump Markets Media - 22-Nov-2016
CHX: Ownership Matters John Lothian News - 06-Oct-2016
China jitters and the Chicago Stock Exchange Chicago Tribune - 23-Sep-2016
