What Is a Bear Market & Understanding Bear Markets?

What Is a Bear Market?

A bear market is when a market experiences prolonged price declines. It typically describes a condition in which securities prices fall 20% or more from recent highs amid widespread pessimism and negative investor sentiment. Bear markets are often associated with declines in an overall market or index like the S&P 500, but individual securities or commodities can also be considered to be in a bear market if they experience a decline of 20% or more over a sustained period of time typically two months or more. Bear markets also may accompany general economic downturns such as a recession.

Understanding Bear Markets

Stock prices generally reflect future expectations of cash flows and profits from companies. As growth prospects wane, and expectations are dashed, prices of stocks can decline. Herd behavior, fear, and a rush to protect downside losses can lead to prolonged periods of depressed asset prices.

One definition of a bear market says markets are in bear territory when stocks, on average, fall at least 20% off their high. But 20% is an arbitrary number, just as a 10% decline is an arbitrary benchmark for a correction. Another definition of a bear market is when investors are more risk-averse than risk-seeking. This kind of bear market can last for months or years as investors shun speculation in favor of boring, sure bets.

The causes of a bear market often vary, but in general, a weak or slowing or sluggish economy will bring with it a bear market. The signs of a weak or slowing economy are typically low employment, low disposable income, weak productivity, and a drop in business profits. In addition, any intervention by the government in the economy can also trigger a bear market.

For example, changes in the tax rate or in the federal funds rate can lead to a bear market. Similarly, a drop in investor confidence may also signal the onset of a bear market. When investors believe something is about to happen, they will take action—in this case, selling off shares to avoid losses. 

Bear markets can last for multiple years or just several weeks. A secular bear market can last anywhere from 10 to 20 years and is characterized by below-average returns on a sustained basis. There may be rallies within secular bear markets where stocks or indexes rally for a period, but the gains are not sustained, and prices revert to lower levels. A cyclical bear market, on the other hand, can last anywhere from a few weeks to several months.

The U.S. major market indexes were close to bear market territory on December 24, 2018, falling just shy of a 20% drawdown. More recently, major indexes including the S&P 500 and Dow Jones Industrial Average fell sharply into the bear market territory between March 11–12, 2020. Prior to that, the last prolonged bear market in the United States occurred between 2007 and 2009 during the Financial Crisis and lasted for roughly 17 months. The S&P 500 lost 50% of its value during that time.

In February 2020, global stocks entered a sudden bear market in the wake of the global coronavirus pandemic, sending the DJIA down 38% from its all-time high on February 12 (29,568.77) to a low on March 23 (18,213.65) in just over one month. Though the S&P 500 and the Nasdaq 100 both made new highs by August, the DJIA failed to do so.