Market Information, Trading Calendar, Trading Hours, Pre-Opening Session: am Orders can be entered and will be queued until 7 am ET. CHX is a self-regulatory organization registered with the Commission pursuant to Section 6(a) of the Securities Exchange Act of 1934.The guidance provided in this FAQ pertains to the reporting of over-the-counter (OTC) transactions in equity securities to a FINRA Facility. View NYSE Chicago Rules Guidance and Rule Interpretations. Includes Information Circulars, Information Memos, and Weekly Bulletins. According to the inelastic markets hypothesis, the reason involves fund flows and investor demand. CBOT (Chicago Board of Trade) is a designated contract maker for CME Group, offering products under CBOT rules. But experts say don't panic. A financial advisor can help you decide which exchange best meets your needs for equity transactions. Call it the Rodney Dangerfield of stock exchanges – the Chicago Stock Exchange.