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Inflation: what it does to your savings and which assets withstand it

The damage never appears as a charge: the balance can stay intact while buying less and less.

Published on September 30, 2026 · by Alex · Guide · Inflation · Getting started

The damage never appears as a charge: the balance can stay intact while buying less and less.

Inflation does not deduct money from an account. The number may remain 10,000 and still buy less food, energy, housing or services. That missing visible charge is the first trap. The second is believing that one asset automatically offsets every kind of inflation.

Short answer

Inflation reduces the purchasing power of cash and fixed payments. No asset protects across every horizon and scenario: TIPS adjust principal to US CPI; stocks, property, gold and commodities can offset inflation but can also fall. A practical defence combines liquidity, time horizon, diversification, currency and real return after costs and taxes.

What exactly is inflation?

Inflation is a broad rise in the price level over a period. It does not require everything to rise at the same rate: energy may increase while another component falls. The US CPI-U measures change in a basket for urban consumers; it covers more than 90% of the population, but it does not describe every household’s spending or inflation in another country.

In August 2026, the Bureau of Labor Statistics reported that CPI-U was 3.4% above a year earlier. That was the latest US figure available when this guide was published and it will change. The Federal Reserve, however, defines its 2% longer-run goal using the PCE price index: CPI and PCE are not the same measure.

The rate measures how much the price level changed; lower inflation does not mean prices returned to where they began. If inflation falls from 8% to 3%, prices are still rising, only more slowly. The damage to savings can now be measured.

How much purchasing power does idle cash lose?

The relevant result is the real return: how much an investment grows after inflation. The exact relationship is nominal return divided by one plus inflation, minus one. Subtracting the two rates is an approximation when they are small.

One-year scenarioNominal balancePurchasing power in starting moneyReal loss
0% return; 2% inflation10,0009,8041.96%
0% return; 8% inflation10,0009,2597.41%
5% return; 8% inflation10,5009,7222.78%

These are calculations, not forecasts, and they omit costs and taxes. Cash preserves its nominal amount and remains essential for emergencies and near-term expenses. The risk comes from holding more cash than needed for years at a net rate below the inflation relevant to your spending.

Why do the 1970s not provide a universal recipe?

US inflation in the 1970s was not one event. Between 1973 and 1979, the lowest annual CPI increase was 5.8%, according to BLS, and inflation exceeded 10% late in the decade. Energy shocks, unanchored expectations and a different monetary-policy response were involved. A Federal Reserve study notes that stocks suffered significantly in the face of high or rising inflation during that period.

Gold stood out. A World Gold Council analysis using LBMA, CPI and IMF data estimates that between 1971 and 1983 gold returned about 30% a year in nominal terms, while inflation averaged 9%. That is a historical fact for that window, not a law: the same analysis records four pullbacks greater than 20% and a maximum decline of 46% within the episode.

A reasonable inference is that gold responded to a combination of inflation, real rates, the dollar, crisis and demand. The risk is turning a favourable start date into a promise for the next crisis. The test came in 2022.

What happened to stocks, bonds and gold in 2022?

CPI-U ended December 2022 6.5% above December 2021. During that same calendar year, the S&P 500 delivered a total return of about −18%, according to S&P Dow Jones Indices, while gold in US dollars gained 0.4%, according to the World Gold Council using the LBMA PM price.

Asset or balance in 2022Nominal returnApproximate real return with 6.5% CPIReading
Cash earning no interest0%−6.1%Stable balance, less purchasing power.
Gold in US dollars+0.4%−5.7%Cushioned more than stocks but did not match CPI.
S&P 500 total return−18%−23.0%A long-run hedge did not prevent a one-year loss.

The real returns were calculated as (1 + nominal return) / 1.065 − 1. They exclude fees, taxes and currency changes. The figures establish what happened in that interval; they do not by themselves establish why or what happens next. Nominal and inflation-linked bonds also suffered as rates rose: market price and contractual inflation protection are different things.

Which instruments are linked directly to inflation?

Treasury Inflation-Protected Securities, or TIPS, are US Treasury bonds whose principal rises or falls with unadjusted CPI-U. The coupon rate remains fixed but is applied to adjusted principal. At maturity, Treasury pays the greater of the inflation-adjusted amount and the original principal.

  • Contractual fact: principal follows the defined index, with a lag and published rules.
  • Market risk: if you sell early, price can be below cost; rising real rates affect longer maturities more.
  • Index risk: US CPI-U may not match your basket, currency or country.
  • Vehicle risk: a fund rolls bonds and does not promise one original principal amount on one maturity date.
  • Tax risk: under US federal rules, a positive principal adjustment may be reported as OID in the year even though the cash is received later.

“Inflation protected” therefore does not mean “a price that never falls.” The protection is clearest when an individual bond, its maturity and the future liability being covered are matched.

Can stocks pass price increases through?

A company may raise prices, grow revenue and own real assets. That ability can help a broad equity portfolio outpace inflation over a long horizon. But not every company has pricing power: wages, inputs, interest and tax may rise faster than sales.

Inflation also tends to pressure the Fed rate and required yields. When the discount rate rises, distant cash flows are worth less today, which can affect growth companies especially. The 2022 result demonstrates the limit: a useful defence over decades does not guarantee protection over twelve months.

The useful question is not “stocks or no stocks?” but which businesses can pass costs through without losing demand, what price was paid and how much diversification exists.

What can gold and commodities contribute?

Gold, energy, metals and agricultural products may respond to shocks that also push CPI higher. That makes them potential diversifiers, not replicas of inflation. Gold produces no cash flow and also responds to real rates, risk and the dollar. The same move in gold can produce a very different result in local currency.

For commodities, the vehicle matters. A futures-based product must sell near-term contracts and buy later ones. FINRA warns that this process can make performance diverge substantially from spot prices and add volatility, leverage, costs and distinct tax consequences. Buying shares in miners or oil producers is not the same as buying the metal or barrel either: it adds management, debt, regulation and operating costs.

The 1970s show that these assets can work. The year 2022 shows that “can” does not mean “must.” Property, often sold as the most intuitive hedge, still has to be examined.

Does property protect because rents rise?

A property may pass inflation through rents and replacement cost, but the result depends on leases, vacancies, location, maintenance, taxes and debt. Higher rates raise financing costs and can reduce what a buyer is willing to pay. A listed REIT adds liquidity but also stock-market volatility; a non-traded REIT can be hard to sell and value.

An owner-occupied home, a rental property and a REIT are therefore not the same exposure. Protection improves when income can reset and debt is financed well; it worsens if the asset needs cash just as rates and costs rise.

How can you build a defence without betting on one winner?

  1. Define the liability. Amount, date, currency and country of the future expense.
  2. Separate liquidity. Near-term money should not depend on selling a volatile asset during a decline.
  3. Measure net real return. Return after inflation, fees, spreads and taxes, using the exact formula when material.
  4. Match horizons. Bond duration, TIPS maturity and the goal’s date.
  5. Diversify mechanisms. Corporate pricing power, indexed instruments and a limited allocation to real assets.
  6. Set review conditions. Inflation, real rate, currency, valuation and cash needs.

The conclusion is not that gold, stocks or property “fail.” Each protects through a different mechanism and can fail through another one. The asset that stood out in the 1970s did not fully preserve purchasing power in US dollars in 2022. The opening loop is closed: looking only at the account balance is as incomplete as looking only at the hedge’s label.

This guide is not financial, legal or tax advice. Treatment depends on the investor’s tax residence, the fund or vehicle domicile, product structure and rules currently in force. Check with the applicable authority how interest, inflation adjustments, distributions and gains are taxed before deciding.

Main sources consulted: BLS, August 2026 CPI; BLS, December 2022 CPI; Federal Reserve, stocks and inflation; S&P Dow Jones Indices, 2022 return; World Gold Council, gold in 2022; World Gold Council, gold and inflation in 1971–1983; TreasuryDirect, how TIPS work; IRS Publication 550 (2025), federal treatment of indexed instruments; FINRA, commodity and futures risks. Figures are historical or dated as stated and should be refreshed before use.

What is still missing on your side

  • Calculate how much purchasing power your cash lost over the last twelve months using your country’s price index.
  • Separate money you will need soon from capital that can withstand declines and a long horizon.
  • Write down which inflation rate and currency applies to each future expense: your country’s rate and the US rate are different risks.
  • Review the costs, duration, structure and tax treatment of the instrument you intend to use as protection.

The next guide: Dividends: how they work and which dates matter

Frequently asked questions

What is inflation?

It is a broad increase in the price level that reduces what one unit of money can buy. It does not mean that every price rises equally. The index, basket, country and period matter, so your personal inflation rate can differ from published CPI.

How do you calculate the loss of purchasing power?

Divide one by one plus inflation. With 8% inflation, 10,000 units earning nothing retain purchasing power equivalent to about 9,259 starting units: the real loss is roughly 7.4%, not 8% of the nominal balance.

Which asset protects best against inflation?

None wins at every horizon. An individual TIPS held to maturity links principal to US CPI; gold, commodities, stocks and property depend on prices, rates, growth, currency, costs and purchase timing. The instrument should match the expense being hedged.

Why can a TIPS fund fall while inflation rises?

Its market price also responds to real interest rates and duration. Principal adjustment offsets measured inflation, but rising real yields can lower value before maturity. A fund has no single maturity at which it returns an original principal amount.

Does gold always protect against inflation?

No. It performed strongly during part of the 1970s, but gained only 0.4% in US dollars in 2022 while US CPI ended 6.5% higher. It may diversify and react to crises, real rates or currencies, but it does not replicate a price index.

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Investing in financial instruments or cryptocurrencies involves risks, including the total loss of your capital.
Educational content. This is not financial advice.