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Investors were rattled by exchange outages before CME's collapse

Investors were rattled by exchange outages before CME's collapse
Investors were rattled by exchange outages before CME's collapse

CME Group, one of the largest exchange operators in the world, suffered an outage lasting several hours on Friday. This affected trading on its currency platform, as well as futures including foreign exchange, commodities and Treasuries, and stocks.

Market participants reported that the outage began early in Asia and ended mostly by morning U.S. trade. It was one of longest in recent years.

Since the early 1980s, exchange outages caused by bugs in software, hardware failures and cyberattacks have caused disruptions to markets and undermined investor confidence.

Check out some of the major outages that have occurred:

A power outage on August 14, 2024, caused the Moscow Exchange to stop trading for over an hour.

The Swiss SIX Stock Exchange experienced its worst outage in recent history on July 31st, 2024. A technical glitch caused the trading to be halted twice for several hours across stocks, bonds and mutual funds.

Data and services of LSEG Group were unavailable on July 19, 2024, causing some disruptions in the financial markets. On that same day, a broader tech failure also caused a global uproar.

On June 3, 2024, a glitch at the New York Stock Exchange caused massive swings of shares in Berkshire Hathaway (Berkshire Hathaway) and Barrick. Trading halted in dozens of companies.

London Stock Exchange reports an incident on October 19, 2023, which forced them to stop trading in smaller UK shares. However, blue-chip stocks were not affected.

Refinitiv's news and data platform Eikon, which is operated by the London Stock Exchange Refinitiv, experienced a prolonged outage on August 2, 2021. This was its third such incident that year. *

Euronext, the pan-European financial market operator, experienced technical glitches that knocked index derivatives trading out for almost four hours on June 17, 2021.

The Australian stock exchange had to stop trading for 20 minutes due to a software issue on November 15, 2020. ASX, the operator of the bourse, re-opened trading one day later.

Qontigo, the index operator, informed its clients that Europe's STOXX key indexes would open more than an hour later on November 2, 2020 due to an "input data problem".

A hardware failure brought the Tokyo Stock Exchange to a halt on October 1, 2020, the worst outage ever for the third largest equity market in the world.

New Zealand stock exchange resumes trading on August 28, 2020, after four days of disruptions due to cyberattacks.

In July 2020, a software glitch caused the trading to be temporarily halted on Germany's electronic trade platform Xetra. This was the second time that the system had been down since April.

May 8, 2020: A software error caused the Moscow Exchange to suspend stock trading for 42-minutes.

TMX Group (Canada's largest stock exchange operator) experienced its second outage within two years when a hardware problem caused order entry problems, resulting in a shutdown of trading for almost two hours across three local bourses.

Nasdaq Inc.'s Nordic stock market and Baltic stock market were shut down twice by technical issues in one day, due to connectivity problems.

Hong Kong Exchanges and Clearing has suspended trading in derivatives for the afternoon on September 5, 2019. This is due to a bug that caused connectivity issues with the Hong Kong Futures Automatic Trading System.

August 16, 2019: The longest trading outage in the history of the London Stock Exchange was caused by a software problem that delayed the start for nearly two hours.

A technical problem with trade reporting caused the New York Stock Exchange of Intercontinental Exchange to suspend trading for a portion of April 25, 2018. This affected five stocks including Alphabet and Amazon.

Singapore Exchange has suspended trading in securities for the second half of the day because duplicate confirmation messages were generated.

A technical problem caused the NYSE to suspend trading on July 8, 2015.

March 31, 2015: ICE’s NYSE Arca suffered a technical problem that caused some of the most popular Exchange-Traded Funds to be temporarily unavailable for trading. Some investors paid more for their stocks than they would have otherwise.

A software bug caused connectivity problems to a data feed for the industry.

May 18, 2012: Facebook’s $16 billion initial publicly offered on the Nasdaq market was marred with technical glitches, which resulted in an opening that was delayed and left many traders in the dark about the trades that had been completed for several hours. This led to significant losses at a number of firms.

Bats Global Markets was forced to cancel their IPO after a series glitches due to a software bug.

May 6, 2010: Uncertain market conditions coupled with an aggressive, massive sell order of a popular futures product triggered a “flash crash” that sent the Dow Jones Industrial Average plummeting over 1,000 points and temporarily wiping out almost $1 trillion worth of market value.

On August 2, 1994, a squirrel chewed a power cable in Trumbull (Connecticut), where Nasdaq's servers were located. The backup power system of the exchange failed to kick in and caused a half-hour outage. On December 9, 1987, a squirrel had chewed through the power cable of Turnbull. This set off a series of events which shut down Nasdaq trading for almost an hour and half.

* LSEG pays news.

(source: Reuters)