A bear market is a prolonged period when prices across a market fall and confidence fades. It usually refers to a broad index or asset class rather than a single share.
There is no official line in the sand, but many investors use a simple rule of thumb. If a widely followed index has fallen by about 20% from a recent high and stays weak for a while, people start calling it a bear market.
Where you will hear the term and the usual threshold
The phrase turns up in company results calls, broker notes and everyday market chat. It is most often used for equities, but people also talk about bear markets in crypto, commodities or property when those prices sink for an extended spell.
The 20% mark is only a guide. Some analysts prefer to see how broad the decline is. If most sectors and a large share of listed companies are falling together, breadth is weak, which supports the bear-market label. A single stock dropping 20% is not a bear market on its own. Nor is a quick tumble that snaps back in a few days.
Do not confuse a bear market with a bear. A bear is an investor who expects prices to fall. A bear market is the environment where widespread declines are already happening.
How a bear market tends to unfold
Every cycle is different, but many share a rhythm. Prices stop making new highs and start putting in lower highs. Confidence slips. Earnings downgrades creep in. Then the selling broadens out and volatility jumps. Sharp rallies appear, which can feel like the worst is over, but they often fade. The final leg sometimes sees capitulation, where sellers give up at whatever price will get them out. After that, prices stabilise, move sideways and only later start a durable climb.
Two features stand out:
- Relief rallies are common. A 10% bounce inside a bear market is not unusual and does not, on its own, mark a new bull phase.
- Volatility increases. Intraday swings and gaps become larger as liquidity thins and emotion rises.
Bear markets usually end before the economic news looks cheerful again. Markets discount the future. The turn only becomes obvious in hindsight, which is why calls to time the exact bottom are often wrong.
What drives bear markets
Prices fall when expected cash flows look weaker or when the rate used to value those cash flows rises. Several forces can push in that direction at once:
- Falling earnings expectations, cost pressures or shrinking margins.
- Economic slowdowns, credit stress or tighter financial conditions.
- Rising base rates that lift discount rates and raise the hurdle for risk assets.
- Deleveraging, where investors unwind borrowed positions, which can amplify moves.
- Confidence shocks, such as policy surprises or abrupt changes to the outlook.
Crypto bear markets often include an extra layer of cyclicality and liquidity risk, given how sentiment driven and collateral sensitive that space can be. The basic mechanics are similar though. Lower expected future returns and tighter funding typically weigh on prices.
What a bear market means for portfolios and trading
For long-only investors, the main effect is drawdown, which is the peak to trough fall of the portfolio. Diversification can still help, but correlations between risk assets often rise when stress hits, so the cushion may be smaller than expected. Rebalancing rules might lead some investors to buy what has fallen most. Others prefer to hold cash until price action settles.
For traders, the landscape changes:
- Rallies can be fast and then fail. Trend-following may require wider stops and quicker profit taking.
- Short selling, buying put options or using futures to hedge becomes more common, but each tool has costs, margin requirements and risks that vary by provider.
- News sensitivity increases. Earnings misses and guidance cuts can trigger outsized moves.
Some investors use averaging techniques to manage entries. For example, averaging down reduces the average price paid by buying more after declines. This brings breakeven closer but adds risk and ties up more capital. There is no approach that removes uncertainty, and outcomes vary across markets and time frames.
Bear market, correction or crash
These labels describe different sizes and styles of decline. They overlap in practice and are confirmed only after the fact, but this quick map helps:
| Term | Typical size | Typical duration | Scope |
|---|---|---|---|
| Pullback | Up to about 10% | Days to weeks | Often part of an ongoing uptrend |
| Correction | Around 10% to just under 20% | Weeks to a few months | Broad but not necessarily deep across sectors |
| Bear market | Roughly 20% or more | Months or longer | Widespread weakness and negative tone |
| Crash | Very large, very fast | Days to weeks | Often driven by a shock and extreme illiquidity |
The thresholds are conventions, not rules. A crash can occur inside a bear market. A deep correction that reverses quickly may never be called a bear market. Recessions and bear markets often overlap, but one does not guarantee the other.
A simple example with rough numbers
Imagine a stock index that peaks at 5,000. Over a few months it slips to 4,000. That is a 20% drawdown from the high, which would usually prompt people to talk about a bear market. Sentiment is poor and analysts cut profit forecasts.
Next, the index bounces to 4,400. That is a 10% rally from 4,000, yet it still sits 12% below the old peak. Commentators call it a bear market rally, because the decline has not been undone and breadth remains weak.
Another wave of selling takes the index to 3,500, which is a 30% fall from the top. Valuations look cheaper, but the economic headlines are still gloomy. A few months later the index starts to form a base between 3,600 and 3,900 as sellers dry up. Only after it climbs above a series of lower highs and breadth improves do investors begin to say the bear market has ended.
The same pattern can happen in crypto, often with larger swings. A coin might halve in price, rally 25%, then retest lower before building a new trend. The labels change more slowly than prices do, which is why many traders focus on levels, liquidity and risk controls rather than the name.
How to think about timing and measurement
Bear markets are defined in hindsight. The peak is only obvious after a turn has lasted, and the end is clear only once a new uptrend is underway. Some investors track moving averages, trend lines or market breadth indicators to frame the shift, but these tools can give false signals, especially when volatility is high.
Because definitions vary by index and asset class, different parts of the market can be in different states at once. Large caps might stabilise while small caps still slide. Global investors also juggle currency moves, which can soften or magnify local-market declines when translated back to their base currency.
Labels help people talk about the cycle. They are not trading rules. What matters is the underlying driver, the size of the drawdown, your time horizon and your ability to handle swings along the way.