What is the best way to compare pension funds and benchmarks?
Compare pension funds on the same basis: investment objective, asset mix, risk, charges, time period and benchmark. Long-term growth alone is not enough; a fund that earns less than another may still be appropriate if it takes materially less risk or charges less.
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Use your pension provider’s fund factsheets and compare like-for-like performance periods, risk measures and charges.
Read FCA pension and investment guidanceRun your own numbers: Compound interest and savings calculator.
Start with what the fund is trying to do
A comparison only makes sense when the funds are pursuing reasonably comparable objectives. Comparing a global equity fund with a cautious bond fund solely on the basis of past return can produce a misleading result because the risks and expected roles are different.
Before looking at performance, write down the fund's purpose, asset mix and intended holding period. A retirement portfolio might contain growth assets for long-term spending and lower-volatility assets for money that could be needed sooner.
A benchmark is a measuring stick
A benchmark is usually an index or another reference measure used to assess an investment. The FCA requires relevant fund disclosures to show target, constraining or comparator benchmarks in the circumstances covered by its rules. For a retail investor, the practical lesson is to ask “what is the fund trying to track or outperform?” rather than comparing it with a random index.
Compare charges as well as returns
Fund costs reduce the amount of money left invested. The FCA has repeatedly stressed the importance of being able to compare charges clearly. When comparing pension funds, check the fund charge and any pension-platform or scheme-level charges separately. A difference that looks small in one year can matter over a long retirement horizon.
Look at multiple periods
Do not let one strong year decide the comparison. Look at longer periods, but remember that past performance is not a guarantee of future results. If two funds have different launch dates, share classes or benchmark definitions, make sure the comparison is adjusted for those differences.
Comparing your pension with the S&P 500
The S&P 500 is a U.S. large-cap equity index. A pension portfolio might contain UK shares, overseas shares, bonds, property and cash. Comparing it directly with a U.S. equity index can therefore answer a narrow question - “did my portfolio beat this U.S. equity index?” - but not “did my portfolio do the right job for my retirement?”
Return without risk is not enough
MoneyHelper explains that higher-risk funds, especially those heavily invested in company shares, generally offer greater growth potential but also greater potential losses. When comparing funds, ask what level of temporary loss you could tolerate, not only what return you hope to achieve.
How to compare several funds on one chart
Use a common start date and the same measurement convention. A total-return series is different from a price-only series because it includes reinvested distributions. Also make sure the currency is consistent and that the performance is not distorted by a fund having a different valuation time.
A useful comparison scorecard
| Measure | Question |
|---|---|
| Objective | What is the fund supposed to achieve? |
| Asset mix | What does it actually hold? |
| Benchmark | What reference measure is appropriate? |
| Charges | What do I pay at fund and platform level? |
| Risk | How large have historical drawdowns been? |
| Time horizon | Will the money be needed soon or much later? |
For a pension decision, the best comparison is rarely “which fund has the highest return?” It is usually “which fund has the characteristics I need, at a cost and risk level I can live with?”
Compare the job of the fund before comparing its return
A pension comparison works best when the funds are genuinely comparable. A global equity fund and a cautious multi-asset fund should not be ranked by a single five-year return figure as though they had the same mandate. Start with the fund’s objective and asset mix, then examine risk, charges, benchmark and performance on a like-for-like basis.
Charges deserve their own line because a lower-cost fund keeps more of the investment return after costs. MoneyHelper explains that defined-contribution schemes can include fund, transaction, switching and other charges, while Investor.gov makes the same broader point for U.S. mutual funds: fees reduce the amount left to compound.
A benchmark is also more useful when it matches the fund’s actual exposure. Comparing a diversified retirement portfolio with the S&P 500 can provide context, but it is not a complete performance test if the pension owns bonds, non-U.S. shares or other assets. Use the benchmark the fund itself is designed to meet, and then investigate why the outcome differs.
Worked example
Illustrative example: Two pension funds each start with an illustrative £50,000. Fund A returns 7% in a year and Fund B returns 6%. At first glance, Fund A looks better.
- Fund A ending value before charges = £50,000 × 1.07 = £53,500.
- Fund B ending value before charges = £50,000 × 1.06 = £53,000.
Now suppose Fund A has an illustrative annual charge of 1% and Fund B 0.3%. The precise after-charge comparison requires modelling the charge convention, timing and other costs. The example shows why a 1-percentage-point return difference is not enough by itself. The investor should compare risk, benchmark, charges and the job the fund is meant to perform.
The figures are illustrative and do not represent expected returns.
How should I compare pension funds?#
Compare objectives, holdings, risk, charges, benchmark and performance over comparable periods. Make sure you are comparing similar funds and the same share class or fee basis. Past performance is useful context but should not be treated as a promise of future returns.
What benchmark should my pension use?#
The benchmark should match the fund’s investment objective and asset exposure. A global equity fund needs a different reference point from a bond or multi-asset fund. Check the fund factsheet and prospectus to see the benchmark the manager actually uses.
Can I compare my pension with the S&P 500?#
Yes, but only for a limited purpose. The S&P 500 is a U.S. large-company equity index, while a diversified pension may hold many other assets. A direct comparison can be useful for understanding equity opportunity cost, but it is not a complete test of retirement suitability.
Should I choose the fund with the highest past return?#
No. A high historical return can simply reflect higher equity exposure, concentration or a particularly favourable market period. Compare the return with volatility, drawdowns, benchmark, charges and the purpose of the fund. In retirement, a lower-return fund can still be the more appropriate comparison when it carries materially less risk.
How do fund charges affect long-term returns?#
Charges are deducted from the assets or returns and therefore reduce what stays invested. The effect compounds over time. The FCA encourages clear, comparable presentation of fund charges because investors need to consider cost alongside risk and performance. For the pension-fund comparison, rely on the governing rule and the current product or scheme terms rather than a generic summary.
Can I put several mutual funds on one chart?#
Yes. Use the same starting date, currency and return measure for each fund. Ideally use total-return data and align the valuation method. A chart is useful for spotting broad differences, but it does not replace reviewing risk, charges and investment objectives.
What is the difference between a benchmark and a comparator?#
A benchmark can be an index used as a formal reference for a fund’s objective or constraints. A comparator is a reference chosen to help investors put performance into context. FCA rules distinguish target, constraining and comparator benchmarks for relevant fund disclosures.
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Sources
General information, not personal financial advice. Rules depend on your circumstances; check the official source or speak to a regulated adviser before acting.