Rules

As a registered securities exchange, NYSE Chicago is subject to the regulatory oversight of the SEC. All rules and rule amendments filed and approved by the SEC pursuant to Section 19(b) of the Securities and Exchange Act of 1934 and Rule 19b-4 thereafter.

Rule Filings

All outstanding proposed rule changes, called 19b-4 filings, filed by NYSE Chicago (formerly Chicago Stock Exchange, Inc.) with the SEC. 19b-4 filings relate to proposed changes to the NYSE Chicago Rules and federal securities laws.

Guidance and Rule Interpretations

Includes Information Circulars, Information Memos, and Weekly Bulletins.

Complaints and Inquires

NYSE Regulation welcomes information from investors and others who believe that a member firm or individual broker may have violated securities rules and regulations. Inquiries can also be sent through this system.

Governing Documents, Related Information, and NMS Plans