How long do bull markets typically last?

The average bull market lasts about 4-5 years, though some have been much longer. The post-2009 bull market ran for over 10 years. Duration varies significantly based on economic conditions.

Should I sell everything in a bear market?

Generally no. Selling during a bear market locks in losses. Historically, investors who stayed invested through downturns recovered their losses and went on to make gains. However, ensure your asset allocation matches your risk tolerance.

How do I know if we are in a bull or bear market?

The traditional definition uses a 20% threshold — a 20% rise from a recent low signals a bull market, while a 20% fall from a recent high signals a bear market. However, these labels are often only clear in hindsight.

What causes bear markets?

Bear markets can be triggered by recessions, financial crises, pandemics, geopolitical events, or the bursting of asset bubbles. Often, multiple factors combine to create sustained selling pressure.

Are bear markets good for young investors?

Counterintuitively, yes. Bear markets allow young investors with long time horizons to buy assets at lower prices. Regular contributions during a downturn purchase more shares, boosting long-term returns through pound cost averaging.

What is a market correction?

A correction is a decline of 10-20% from a recent peak. Corrections are more common than bear markets and are considered a normal part of market cycles. They typically last a few weeks to a few months.

What Is a Bull Market? Understanding Market Cycles

Understanding Market Cycles

Financial markets move in cycles of optimism and pessimism, expansion and contraction. Understanding these cycles helps you make better investment decisions and, crucially, avoid costly emotional mistakes.

What Is a Bull Market?

A bull market is a sustained period of rising asset prices, generally defined as a 20% or greater increase from a recent low. Bull markets are characterised by:

Growing economic confidence and GDP expansion
Rising corporate earnings
Low unemployment
Increasing investor optimism (sometimes tipping into euphoria)
Higher trading volumes as more investors enter the market

What Is a Bear Market?

A bear market is a sustained decline of 20% or more from a recent peak. Bear markets bring:

Widespread pessimism and fear
Economic slowdown or recession
Falling corporate earnings
Rising unemployment
Panic selling and capitulation

Professional trading platform dashboard with candlestick charts and market data — A typical trading platform interface showing real-time market data and charting tools.

Historical UK Market Cycles

The FTSE 100 has experienced several significant cycles:

2000–2003 (Bear): Dot-com crash — FTSE 100 fell from 6,930 to 3,287 (-52%)
2003–2007 (Bull): Recovery driven by credit expansion — FTSE 100 rose to 6,732
2007–2009 (Bear): Global financial crisis — FTSE 100 fell to 3,512 (-48%)
2009–2020 (Bull): Longest bull market in modern history — FTSE 100 reached 7,674
2020 (Bear): COVID-19 crash — FTSE 100 fell 34% in just 23 trading days
2020–present (Bull): Recovery driven by stimulus and economic reopening

The critical lesson: every bear market has been followed by a recovery. Investors who panicked and sold at the bottom missed the subsequent gains.

How to Invest Through Market Cycles

In Bull Markets

Continue your regular investment plan — do not try to time the top
Rebalance periodically to prevent overexposure to overheated sectors
Maintain your target asset allocation
Be cautious of euphoria — when everyone is talking about investing, risk is elevated

In Bear Markets

Keep contributing — you are buying at lower prices
Do not panic sell — this is the single most costly mistake
Review your risk tolerance — if you cannot sleep at night, your allocation may be too aggressive
Look for opportunities — quality assets at discounted prices

The Danger of Market Timing

Research consistently shows that missing just a handful of the best trading days dramatically reduces returns. A study by JP Morgan found that missing the 10 best days in the S&P 500 over a 20-year period reduced returns by more than half. The best days often occur during or immediately after the worst periods — precisely when scared investors are most likely to be out of the market.