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Chicago skyline at sunsetNYSE Chicago, formerly known as the Chicago Stock Exchange (CHX), is an equities-only stock exchange. Originally founded in the 19th century, it was acquired by the parent corporation of the New York Stock Exchange in 2017. Today it specializes in accommodating institutions that trade large blocks of stock. A financial advisor can help you decide which exchange best meets your needs for equity transactions.

The history of NYSE Chicago dates to 1882, when it was founded as the Chicago Stock Exchange and mostly traded in securities of locally headquartered companies. In the middle of the 20th century, it merged with regional exchanges in St. Louis, Cleveland and Minneapolis-St. Paul.

After that series of mergers, the exchange changed its name to the Midwest Stock Exchange. Later, it also acquired the New Orleans Stock Exchange. In 1993 the exchange changed its name back to the Chicago Stock Exchange. In the early 2000s, the exchange was almost acquired by a Chinese group as part of a plan to make it a hub for trading Chinese securities. However, the transaction was eventually blocked by regulators.

In 2018 the Chicago exchange was bought by Intercontinental Exchange (ICE), which owns 11 U.S. exchanges including the NYSE. By then, trading on the Chicago exchange accounted for only 0.5% of U.S. stock transactions.

In 2020, Marriott delisted its shares from NYSE Chicago, citing a desire to reduce administrative costs. The Bethesda, Maryland-based hotel company continues to be listed on NASDAQ.

How NYSE Chicago Works

NYSE Chicago uses the Pillar trading technology employed on most of the ICE, including the NYSE. It is an all-electronic platform that allows for efficient processing and lower latency. Any member firm can connect to any ICE equity market using the same Pillar specification.

The Chicago exchange main trading session takes place from 9:30 a.m. to 4:00 p.m. The trading hours are set to Eastern time, the same as the NYSE.

During a pre-opening session starting at 6:30 orders NYSE Chicago can be queued until the opening of the early tradition session that runs from 7 a.m. until 9:30 a.m. There is also a late trading session from 4 p.m. to 8 p.m.

NYSE Chicago Listing Requirements

Chicago in winterEquities can be dual-listed on both the NYSE and NYSE Chicago. NYSE Chicago companies can also be dual-listed on the NYSE American Exchange. NYSE Chicago companies that want to be listed on either of the other two exchanges can apply to the other exchange. They do not have to submit an application to NYSE Chicago exchange to be dual-listed. Equities listed on any ICE can be traded on NYSE Chicago and vice versa.

A relatively small number of companies are specifically listed on NYSE Chicago. Many of these companies are headquartered in the Chicago area.

Several of the listings on NYSE Chicago are for shares in closed-end funds. These are mostly municipal bond funds from Invesco.

Largest NYSE Chicago Stocks

Although only a small number of companies are listed on NYSE Chicago, corporations with dual-listing on the exchange include some of the largest companies in the U.S. and the world. The biggest NYSE Chicago companies by market capitalization include:

  • Abbott (ABT), pharmaceuticals
  • Abbvie (ABBV), pharmaceuticals
  • IBM (IBM), information technology
  • 3M (MMM), diversified conglomerate
  • MarshMcLennan (MMC), professional services

Of the five largest NYSE Chicago companies, two of them are headquartered in the Chicago area. Abbott is based in Abbott Park, Illinois, and Abbvie is based in Lake Bluff, Illinois.

Special NYSE Chicago Considerations

Chicago RiverNYSE Chicago focuses on satisfying the needs of financial institutions that may trade millions of shares daily. Its automated trading systems particularly facilitate the trading of large blocks of stock. Hedge funds and professional traders, including quantitative traders and some very active individual traders who need immediate and automatic execution of trades, may also trade on NYSE Chicago. NYSE Chicago also provides these automated trading systems to other exchanges around the world.

Bottom Line

NYSE Chicago is the renamed Chicago Stock Exchange, now a part of the same entity that owns the NYSE and a number of other US-based exchanges. The exchange trades only equities. It enables trading of any equity listed on other exchanges, and employs automated systems that facilitate high-volume, large-block trading of shares by hedge funds and large financial institutions.

Tips for Investing

  • Before embarking on any investment plan, consider working with an experienced financial advisor to help make sure your investment activities will help you achieve your financial objectives. SmartAsset’s free tool matches you with financial advisors in your area in five minutes. If you’re ready to be matched with local advisors who will help you achieve your financial goals, get started now.
  • No matter which exchange you’re using, it’s important to keep close tabs on how much of your portfolio goes into each type of asset. A free, easy-to-use asset allocation calculator can be immensely helpful in keeping your investments balanced.

Photo credit: ©iStock.com/Gian Lorenzo Ferretti Photography, ©iStock.com/Leonardo Patrizi, ©iStock.com/Sean Pavone

Mark Henricks Mark Henricks has reported on personal finance, investing, retirement, entrepreneurship and other topics for more than 30 years. His freelance byline has appeared on CNBC.com and in The Wall Street Journal, The New York Times, The Washington Post, Kiplinger’s Personal Finance and other leading publications. Mark has written books including, “Not Just A Living: The Complete Guide to Creating a Business That Gives You A Life.” His favorite reporting is the kind that helps ordinary people increase their personal wealth and life satisfaction. A graduate of the University of Texas journalism program, he lives in Austin, Texas. In his spare time he enjoys reading, volunteering, performing in an acoustic music duo, whitewater kayaking, wilderness backpacking and competing in triathlons.
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