No investment is guaranteed to beat inflation. The most direct protection comes from inflation-linked government bonds, such as US Treasury Inflation-Protected Securities (TIPS) and Series I savings bonds, because their payments are tied to the Consumer Price Index. A 95-year study of the US, UK and Japan found that commodities tended to earn positive returns during inflation surges, though results varied widely. The same study found that unexpected inflation hurt ordinary stocks and bonds. Gold has a reputation as a hedge, but one widely cited paper calls it "an unreliable inflation hedge" over practical investment horizons. This article describes how each asset class has behaved. It is not a recommendation to buy any of them.
Where inflation stands now
On 14 October 2026, the US Bureau of Labor Statistics (BLS) reported that the Consumer Price Index for All Urban Consumers (CPI-U) rose 3.7% in the 12 months to September 2026. The index rose 0.6% in September alone on a seasonally adjusted basis. Energy drove most of the increase: the energy index was up 20.4% over the year and gasoline was up 34.2%. Core inflation, which excludes food and energy, was 2.6%.
For context, CPI-U rose 9.1% in the 12 months to June 2022. BLS called that the largest 12-month increase since the period ending November 1981.
When energy drives inflation more than core prices do, assets tied to the headline CPI pay out more than assets that track only broad price trends. That makes the source of the inflation relevant to the choices below.
Inflation-linked government bonds
TIPS
TreasuryDirect explains that the principal of a TIPS "goes up with inflation and down with deflation." The adjustment uses the CPI published by BLS. TIPS pay a fixed rate of interest every six months, and that rate is applied to the adjusted principal, so interest payments also rise with inflation. At maturity, the holder receives the inflation-adjusted principal or the original principal, whichever is higher. In TreasuryDirect's words, "You never get less than the original principal."
What TIPS do not protect against: if you sell before maturity, you get the market price, which moves with real interest rates. The deflation floor applies only at maturity.
Series I savings bonds
According to TreasuryDirect, I bonds issued from 1 May 2026 to 31 October 2026 earn a composite rate of 4.26%, which includes a fixed rate of 0.90%. Other terms:
- Each Social Security Number or Employer Identification Number can buy up to $10,000 in electronic I bonds per calendar year. The minimum purchase is $25.
- An I bond cannot be cashed for 12 months.
- If cashed before five years, the holder forfeits the last three months of interest.
These limits make I bonds a tool for household savings rather than for large portfolios.
UK index-linked gilts
UK index-linked gilts are tied to the Retail Prices Index (RPI). On 25 November 2020, the UK Statistics Authority said it would bring the methods and data sources of CPIH, a consumer price measure that includes owner-occupier housing costs, into the RPI from February 2030. The Chancellor would not consent to the change before the last specific index-linked gilt matures in 2030. Anyone holding linkers that mature after 2030 is buying exposure to a differently calculated index.
Commodities
The 2021 study "The Best Strategies for Inflationary Times" by Neville, Draaisma, Funnell, Harvey and Van Hemert (Journal of Portfolio Management, vol. 47, no. 8) covers 95 years of data for the US, UK and Japan. It found that commodities tend to earn positive returns during inflation surges, but that results vary considerably across the commodity complex. The September 2026 CPI fits that pattern on the price side: energy is the category rising fastest.
Most investors get commodity exposure through futures-based funds rather than physical goods. A futures contract is an agreement to buy or sell a set quantity at a set price on a future date. Fund returns therefore depend on the futures curve and on how contracts are rolled, not only on the spot price.
Gold
Claude Erb and Campbell Harvey tested the claim that "gold is an inflation hedge" in "The Golden Dilemma" (NBER Working Paper 18706, January 2013). They concluded that gold "may be an effective hedge if the investment horizon is measured in centuries," but that "over practical investment horizons, gold is an unreliable inflation hedge." They also found that periods when gold's real price was above its historical average tended to be followed by below-average real returns.
Which I bond terms apply to your money?
Answer three questions about timing and amount to see which Series I savings bond rules from TreasuryDirect would affect you.
Could you need this money back within 12 months?
- Yes, possibly → The 12-month lock-up applies
- No, I can leave it for at least 12 months → next question
Might you cash the bond before it is five years old?
- Yes, possibly → The early-cash penalty applies
- No, I expect to hold it five years or longer → next question
Do you want to put more than $10,000 a year into electronic I bonds under one Social Security Number or Employer Identification Number?
- Yes, more than $10,000 → The annual purchase limit applies
- No, $10,000 or less → Your plan fits the main I bond limits
An I bond cannot be cashed for 12 months, so money you may need within a year would be tied up. TIPS have no such lock-up, but if you sell before maturity you get the market price, which moves with real interest rates; the deflation floor applies only at maturity.
After the first 12 months you can cash an I bond, but if you do so before five years you forfeit the last three months of interest. I bonds issued from 1 May 2026 to 31 October 2026 earn a composite rate of 4.26%, including a fixed rate of 0.90%.
Each Social Security Number or Employer Identification Number can buy up to $10,000 in electronic I bonds per calendar year, so any amount above that cannot go into electronic I bonds that year. The article's comparison table lists how TIPS, UK index-linked gilts and other assets link to inflation and their main risks.
Holding for five years or longer avoids the three-month interest forfeit, and $10,000 or less fits the annual electronic limit; the minimum purchase is $25. The composite rate of 4.26% applies to bonds issued from 1 May 2026 to 31 October 2026 and is not fixed for later periods.
This only maps the I bond terms stated in the article; it does not say whether I bonds or TIPS suit you, cover tax or rates after 31 October 2026, and is not investment advice.
Stocks: value, sectors and index funds
The Neville et al. study found that unexpected inflation is bad news for equities, and that domestic inflation has the strongest effect. It also found that active equity factor strategies, which select stocks by traits such as value or quality, provided some hedging ability. Trend-following strategies gave the most reliable protection during major inflation shocks.
An index fund spreads money across many companies, which reduces the risk tied to any single company. Diversification does not remove the market-wide effect that the study describes. If inflation surprises on the upside, a broad stock index can still fall.
Real estate and REITs
Direct property
When rents can be raised in line with prices, a property's income can keep pace with inflation. A fixed-rate mortgage adds a second effect: the repayment stays fixed in nominal terms, so inflation lowers its real cost over time. The offsets are high entry costs, poor liquidity, maintenance, local rent rules, and the risk that higher interest rates push property values down.
REITs
A real estate investment trust (REIT) owns or finances income-producing property and is traded like a share. Nareit, the US REIT industry association, says that "REIT dividends have outpaced inflation as measured by the Consumer Price Index in all but two of the last twenty years." That is an industry body's claim. REIT share prices also react to interest rates, so a rising dividend does not guarantee a positive real total return.
Floating-rate loans
Floating-rate (bank loan) funds hold corporate loans whose interest resets in line with short-term rates. That keeps their interest-rate sensitivity low when central banks raise rates to fight inflation. The trade-off is credit risk, because most of the borrowers are rated below investment grade. In June 2013, FINRA fined two firms a total of $2.15 million and ordered them to repay customers more than $3 million. FINRA found that the firms had sold floating-rate bank loan funds to customers who wanted to preserve principal or had conservative risk tolerances. These loans react to interest rates, not to the CPI directly. A drop in rates cuts their income even if inflation stays high.
Bitcoin and other crypto assets
Bitcoin is often described as an inflation hedge. The Neville et al. study discusses the economic case for including cryptocurrencies in an inflation-protection strategy, but it does not show that they protected investors during past inflation surges. Until there is evidence from actual inflation episodes, the hedge claim is unproven.
How the options compare
| Asset | Direct link to CPI | Main risk |
|---|---|---|
| TIPS | Yes, principal adjusts to CPI | Price falls before maturity if real rates rise |
| I bonds | Yes, composite rate | $10,000 annual electronic limit; 12-month lock-up |
| UK index-linked gilts | Yes, RPI | RPI method changes from February 2030 |
| Commodities | No, but positive returns in past inflation surges | Wide spread of results; futures roll costs |
| Gold | No | Unreliable hedge over practical horizons |
| Stocks and index funds | No | Unexpected inflation has hurt returns |
| REITs and property | Partial, through rents | Interest-rate sensitivity; liquidity |
| Floating-rate loans | No, tied to short-term rates | Credit and liquidity risk |
The study evidence comes from past inflation regimes. The 2026 rise is led by energy while core inflation stays at 2.6%, so assets that did well in broad, wage-driven surges may behave differently this time.
