Market regulation · 12/05/2011Updated: 10/17/2026 · 1 min read
Chicago Stock Exchange, Inc. Filing Notice: Proposed Change to Single Securities Circuit Breaker Pilot Program
Summary
The Chicago Stock Exchange, Inc. has filed a notice proposing to add all National Market System (NMS) stocks to the Single Securities Circuit Breaker Pilot Program, a program designed to prevent rapid price movements in the US stock market.