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This year has been volatile for the U.S. and global markets. Market circuit breakers have been triggered multiple times, temporarily halting trading. The U.S. stock market entered bear-market territory on March 11, and the spread of COVID-19 has led to widespread concern over a potential global recession.
But what does all this mean? What exactly is a bear market? How does it differ from an economic recession? Why was trading put on hold?
We answer some questions you may be asking while reading market news.
Why does trading stop?
Trading halts are caused by marketwide circuit breakers, automatic mechanisms that are triggered by extreme, broad declines in the market.
The idea behind an automatic halt to trading is to calm panic-stricken markets. The circuit breakers force investors to take a brief pause from the ongoing chaos, review and reassess the situation, and acquire and assimilate information. According to the New York Stock Exchange, the purpose of the circuit breakers is “to slow the effects of extreme price movement through coordinated trading halts across securities markets when severe price declines reach levels that may exhaust market liquidity.”
In an era of high-frequency computerized trading, circuit breakers are intended to act as a speed bump when markets are in a tailspin and help restore calm. The overall effectiveness of these measures, however, is debatable.
How do circuit breakers work?
There are three thresholds that activate the automatic stock-market trading halts amid sharp, substantial downturns and volatility, as measured by the S&P 500 for U.S. markets:
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A Level 1 circuit breaker triggers a 15-minute trading pause when the market falls 7% below the prior day's close.
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A Level 2 trading halt kicks in when the market slides 13%. This pause also lasts 15 minutes.
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A Level 3 circuit breaker is activated when the market drops 20%, suspending trading for the remainder of the day.
Level 1 and 2 halts are triggered only if the market drop occurs before 3:25 p.m.; trading will continue if the fall occurs at or after 3:25 p.m. A level-3 halt can kick in any time during the trading day.
How is a bear market different from an economic recession?
Although the two often go hand in hand, they are associated with different issues. A recession describes a slowdown in economic output and is generally defined as at least two consecutive quarters of decline in Gross Domestic Product (GDP), which functions as a measure of economic health.