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What Does “Time in the Market Beats Timing the Market” Mean?

The investing idea that could change how you think about your money forever

May 27, 2026 Syd Lawrence6 min read
Syd Lawrence

Syd Lawrence

CEO & Co-founder at Delphina

You have been putting it off.

Every month, you tell yourself you will start investing properly once you feel more confident. Once you have done more research. Once you are certain the timing is right.

And every month, the markets stay roughly where they are, or dip, or climb a little and you think “ah, I missed my moment.”

Here is the thing nobody tells you: that moment you think you have missed? It does not exist.

01 / The Feeling That Costs You Money

Ispeak to people in their forties all the time who are waiting for the “right time” to invest. They watch the news, they check the markets, they read about crashes and crises and think to themselves: “I will wait until things calm down.”

The problem is, things never fully calm down. There is always something. A pandemic. A war. An election. Interest rates. A bank failure. The noise never stops.

And while you are waiting, something quietly happens to your money. It stays still. It sits in an account earning almost nothing. And you miss out on something remarkable.

Losing to Inflation

That £1,000 you saved in 1980? It is now worth roughly £140 in today's money. Prices have risen but your cash has not kept up.

Even with a high interest account paying Bank of England base rate + 0.5%, no taxpayer breaks even after tax and inflation. Basic rate taxpayers get closest, but still lose purchasing power. Higher and additional rate taxpayers lose out significantly.

  • Cash (no interest): £1,000 becomes £140
  • High interest account, basic rate tax: £1,000 becomes £1,469
  • High interest account, higher rate tax: £1,000 becomes £831
  • High interest account, additional rate tax: £1,000 becomes £719

MSCI World

The MSCI World Index tracks the performance of large and medium-sized companies across 23 developed markets, including the UK, US, Japan, and Europe. It is one of the most widely used benchmarks for global equity performance.

delphina.money£1,000 from 1980, Cash vs HISA vs MSCI (real)£0£5k£10k£15k1980198519901995200020052010201520202025MSCI WorldHigh interest (-20%)High interest (-40%)High interest (-45%)Cash (no interest)

Source: Bank of England, ONS. £1,000 from 1980, all values after inflation. HISA = Bank of England base rate + 0.5%, taxed at respective rates. MSCI World (real return).

The same £1,000 invested in the MSCI World in 1980 would be worth around £17,000 today in real terms. That is the cost of doing nothing.

02 / The Real Numbers

Let me give you some real numbers, because I think they matter more than opinions.

If you had invested £1 in the MSCI World Index back in 1980, it would be worth roughly £108 today. That is not a typo.

The MSCI World has returned an average of 10.7% per year since 1980. That is not a great year every year. It is an average that includes crashes, recessions, and a global pandemic.

Here is what is interesting. Since 1980, global markets have delivered positive returns in approximately 76% of calendar years. Three quarters. If you owned a UK betting shop that won three quarters of all races, you would feel pretty confident.

delphina.moneyMSCI World Index, £1,000 invested 1980 (real)1980198519901995200020052010201520202025RecessionGulf WarMexican PesoDot-comSovereign DebtChina SlowdownCOVIDTariffs

Source: MSCI, Bank of England, ONS. £100 invested in 1980 (after inflation / real return). Hover over points for values.

02b / Why Percentages Compound Exponentially

Notice how the chart above looks like it is shooting upwards at the end. That is not just because markets went up a lot. It is because percentages compound exponentially.

A 10.3% return on £100 is £10.30. But that 10.3% on £10,000 is £1,030. The same percentage, much more money. And after 20 years of compounding, you are earning percentages on percentages on percentages.

On a log scale chart, exponential growth appears as a straight line. Here is the same MSCI World data on a log scale. Notice how it stays roughly linear, which confirms the exponential nature of the growth.

delphina.moneyMSCI World Index (log scale), £1,000 invested 1980 (real)£1000£2000£5000£10000£200001980198519901995200020052010201520202025

Source: MSCI, Bank of England, ONS. £100 invested in 1980 (after inflation / real return). Log scale shows exponential growth as straight line. Hover over points for values.

Inflation works the same way. 2.5% inflation on £100 is barely noticeable. But 2.5% on £100,000 erodes £2,500 of purchasing power. Both growth and inflation compound exponentially.

This is why waiting even a few years can have an outsized impact on your final outcome.

03 / The Problem with Waiting

Now here is where it gets uncomfortable.

The people who lose the most money are not the ones who stay invested through crashes. They are the ones who try to time things.

The Myth

You can wait for the right moment to invest. When the market feels “safer.”

The Reality

Average investors underperform by 2-4% annually due to mistiming.

But here is the thing. While you are waiting for the right moment, inflation is quietly eating away at your cash. Even with a high interest savings account, once you factor in tax on those gains, you often end up with less than you started with in real terms.

Research from Dalbar, a firm that has studied investor behaviour for decades, found that the average equity fund investor underperformed the very index they were invested in by 2-4% every single year. Over 20 years, that gap is enormous.

Why does this happen? Because when markets fall, people panic and sell. When markets recover and climb, people wait nervously for the next fall. Then they miss the best days and climb back in at higher prices.

And those best days? They cluster right next to the worst days. Research from JP Morgan shows that 75% of the MSCI World's best trading days occur within 10 days of its worst days. You cannot have one without the other.

delphina.moneyMSCI World vs HISA, 5-year returns (real)0501001980-851985-901990-951995-002000-052005-102010-152015-202020-25MSCI WorldHISA (-20%)

Source: MSCI, Bank of England, ONS. MSCI World vs HISA — both showing real (after-inflation) returns. HISA = Bank of England base rate + 0.5%, taxed at basic rate 20%. 5-year total returns adjusted for inflation.

delphina.moneyAnnual Returns, MSCI vs HISA vs Inflation (real)-40%-20%0%+20%+40%1980198519901995200020052010201520202025InflationMSCI WorldHISA (-20%)

Source: MSCI, Bank of England, ONS. Annual real returns (after inflation). HISA = Bank of England base rate + 0.5%, taxed at basic rate 20%.

04 / Is It Too Late?

You are probably thinking: “That all makes sense, but I have already waited so long. Is it too late for me?”

It is not.

Here is something that might surprise you. Even investors who bought right before the 2008 financial crisis, at the absolute peak, were back to their original investment levels within six years. And from there, the market went on to quadruple.

The MSCI World took around six years to recover from 2008. If you had stayed invested, you would have seen your money return to pre-crisis levels and then grow substantially beyond that.

The people who lost badly were those who sold at the bottom in panic and stayed out of the market.

delphina.moneyMSCI World, 2008 Crisis Recovery (£1,000 invested)£0£1k£2k£3k£4k£5kPeakOct 07£1000BottomMar 09£432RecoveredFeb 13£1002TodayDec 23£3046-57%6 years torecovery

Source: MSCI

05 / A Realistic Picture

Let me be straight with you. Nobody is promising you riches. The stock market is not a get-rich-quick scheme. It is, however, one of the most reliable ways to grow your money over time if you can leave it alone.

The MSCI World has returned roughly 10.7% per year since 1980, although that includes periods of significant loss and recovery. If you invested £500 a month for 20 years at that average return, you would have roughly £416,000. Of course, past performance does not guarantee future results, but this gives you a realistic frame.

10.7%
MSCI World annual return since 1980
£416k
Projected from £500/month over 20 years

06 / Your One Next Step

Here is what I would suggest. Do not try to time the market. Do not wait for the perfect moment. Instead, pick a regular amount you can afford to invest monthly, set it up to leave your account automatically, and leave it alone.

Think of it like a direct debit to your future self.

If your employer offers a pension match, make sure you are getting every penny of that first. After that, if you have some money you will not need for five years or more, a low-cost index fund tracking the MSCI World is a reasonable place to start.

You do not need to be brilliant. You do not need perfect timing. You just need to start, and you need to stay.

The data shows that people who do this consistently end up in a better position than people who spend decades waiting for the right moment.

That moment was probably ten years ago. The next best moment is now.

Still not sure where to start? Let us work through it together.

Book a coaching call and we will help you gain financial clarity

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Sources


This article is for informational purposes only and does not constitute financial advice. Past performance does not guarantee future results. Investing involves risk, including the possible loss of principal.