When to use this playbook
- A strategic asset allocation review follows an inflation spike, rate shock, or period when equities and bonds declined together.
- The investment committee expects deglobalization, demographic change, fiscal pressure, or supply constraints to widen the range of plausible inflation outcomes.
- A pension, insurer, endowment, or sovereign-wealth-style allocator must protect a real-return target or inflation-sensitive liability.
- The portfolio already owns TIPS, commodities, or inflation swaps, but the team cannot explain which inflation risk each instrument is supposed to hedge.
- The objective is low-volatility protection that responds to monthly CPI without imposing substantial return drag when inflation is stable.
What success looks like
The investment committee should finish with a regime map, an inventory of existing inflation exposures, a defined role for each hedge, and measurable rules for sizing and rebalancing. The goal is not to maximize returns in one high-inflation forecast; it is to reduce real-return shortfall across inflation acceleration, stagflation, stable inflation, and disinflation.
Separate the inflation job from the instrument
“Inflation hedge” is too broad to function as an investment mandate. Start by identifying the portfolio failure that must be prevented, then select instruments against that objective.
| Portfolio job | Primary measurement | Natural starting point | Common design error |
|---|---|---|---|
| Protect purchasing power over a known horizon | Real-return shortfall at that horizon | TIPS or liability-matched inflation swaps | Judging success from short-term market value alone |
| Track realized monthly CPI | Monthly correlation, beta, and tracking error versus CPI | Direct CPI exposure or a dedicated CPI-tracking strategy | Using long-duration TIPS as though inflation accrual were the only return driver |
| Offset a stagflationary supply shock | Performance when inflation rises as growth and conventional assets weaken | Commodities combined with direct CPI exposure | Assuming every inflation increase produces the same commodity response |
| Hedge a specific liability index or tenor | Surplus volatility and liability-basis risk | Custom inflation swaps or structured exposure | Hedging headline CPI when the liability follows another inflation measure |
| Limit return drag in stable inflation | Net real return and downside in benign CPI regimes | Low-volatility, diversified CPI-tracking allocation | Paying continuously for a hedge designed only for extreme inflation |
Step 1: Convert the inflation concern into a measurable portfolio objective
Action
Replace a directional view such as “inflation will be higher” with a risk statement. Define the relevant horizon, inflation index, acceptable real-return shortfall, volatility ceiling, liquidity requirement, and maximum tolerable drag when CPI is stable.
- Measure one-, three-, and five-year returns relative to the relevant inflation index.
- Track monthly CPI beta, correlation, tracking error, and median excess return over CPI.
- Set a maximum loss or shortfall under rising real yields, stagflation, and rapid disinflation.
- Specify whether daily liquidity, funded exposure, or collateral efficiency is mandatory.
Regime-switching research matters here because the outer tails of inflation forecasts depend heavily on the probability of entering a high-variance, high-persistence state. A single expected CPI rate obscures that risk. Federal Reserve research on inflation uncertainty
Expected outcome: A one-page mandate that describes the hedge in terms of outcomes rather than asset labels.
Gotchas: Correlation alone is insufficient. A highly correlated strategy can still lag CPI consistently, while an asset with attractive long-run real returns may fail during the exact months when inflation accelerates.
Typical working time: Three to five business days once return, liability, and liquidity data are available.
Step 2: Build a regime tree instead of one capital-market assumption
Action
Create at least four internally consistent regimes and assign each a range for inflation, growth, real yields, inflation expectations, policy rates, and cross-asset correlations. Model both the state and the transition: the move from stable inflation into an acceleration can be more damaging than remaining in a recognized high-inflation environment.
| Regime | Macro signature | Portfolio question |
|---|---|---|
| Low and stable inflation | Contained CPI variability, anchored expectations, conventional diversification | How much does the hedge cost while the risk remains dormant? |
| Demand-led acceleration | Inflation and growth rise together; policy and market yields increase | Can growth assets offset part of the inflation shock? |
| Supply-led stagflation | Inflation rises as growth weakens; stocks and bonds may decline together | Which exposures remain positively linked to realized CPI? |
| Disinflation or recession | CPI decelerates, growth weakens, and nominal duration may recover | Does the inflation sleeve create excessive downside or opportunity cost? |
Deglobalization, aging populations, less elastic supply, and fiscal pressure should widen the scenario set rather than mechanically force a higher central inflation forecast. The Bank for International Settlements also notes that a return to a less-inflationary environment remains possible, which is precisely why robustness across regimes matters. BIS Annual Economic Report 2024
High- and low-inflation states also behave differently: inflation can become more persistent and self-reinforcing after a transition into the high-inflation regime. BIS two-regime inflation framework
Expected outcome: A probability-weighted regime model with distinct return distributions, correlations, and transition risks.
Gotchas: Do not vary inflation while holding every other capital-market assumption constant. Stagflation changes growth, policy, correlations, liquidity, and discount rates simultaneously.
Typical working time: One to two weeks, including investment-committee review of assumptions.
Step 3: Map the portfolio in inflation-risk space
Action
Decompose each allocation by its actual economic exposures rather than its asset-class name. At minimum, estimate nominal-duration risk, real-rate duration, direct CPI sensitivity, commodity sensitivity, growth sensitivity, liquidity risk, and collateral requirements.
- Nominal bonds: exposed to real yields, expected inflation, inflation risk premiums, and credit spreads where applicable.
- TIPS: direct CPI-linked principal accrual combined with real-rate duration.
- Equities and private assets: indirect inflation exposure mediated through margins, pricing power, financing costs, and valuation multiples.
- Commodities: sensitivity to selected supply-and-demand shocks, futures-curve structure, and collateral returns.
- Inflation swaps: contractual CPI exposure plus breakeven-entry, counterparty, collateral, and tenor risks.
Do not assume the historical equity-bond hedge is permanent. Inflation surprises and higher fixed-income volatility have been associated with more positive stock-bond correlations, weakening the defensive role of traditional bond allocations. BIS analysis of equity-bond correlation
Expected outcome: A heat map showing which risks are duplicated, unhedged, or mislabeled.
Gotchas: Asset-class buckets conceal offsetting exposures. A portfolio can own substantial TIPS while retaining more real-rate duration than the investment committee intended.
Typical working time: Five to ten business days, depending on look-through data and derivative complexity.
Step 4: Identify the gap each inflation instrument leaves behind
Action
Score every candidate against the mandate from Step 1. The practical decision is usually a combination problem, not a contest to find one universally superior hedge.
| Instrument | Where it is useful | What it leaves exposed |
|---|---|---|
| TIPS | Contractual CPI-linked principal, U.S. sovereign credit, and known maturities for real liability matching | Real-rate duration, interim market-value volatility, indexation lag, and potential mismatch with monthly tracking objectives |
| Commodities | Rapid response to selected supply shocks and inflation surprises, particularly when goods or energy drive CPI | High volatility, futures-curve and roll effects, unstable sensitivity across horizons, and weak linkage to some persistent core-inflation components |
| Inflation swaps | Customizable, capital-efficient exposure to a specified inflation index and tenor | Breakeven entry price, counterparty and collateral management, documentation, liquidity by tenor, and liability-basis risk |
| Dedicated low-volatility CPI tracker | Monthly CPI sensitivity with an explicit volatility and stable-regime carry objective | Manager, implementation, vehicle, operational, and strategy risks that require institutional due diligence |
Expected outcome: A deliberate division of labor among liability matching, monthly CPI tracking, and shock protection.
Gotchas: Commodities can be a valuable shock amplifier without being a low-volatility CPI tracker. TIPS can protect purchasing power at maturity without behaving like realized CPI over every reporting period.
Typical working time: Approximately one week for an initial instrument scorecard.
Step 5: Repair the bond allocation without abandoning inflation protection
Action
Divide the bond sleeve into separate jobs: liability matching, income generation, deflation protection, liquidity, and inflation protection. If TIPS produced poor diversification during a rate selloff, isolate whether the loss came from rising real yields, changing inflation compensation, or liquidity rather than concluding that CPI linkage failed.
- Stress nominal and real yields separately using the institution’s approved rate scenarios.
- Compare short-, intermediate-, and long-duration TIPS instead of treating the market as one exposure.
- Move monthly CPI tracking into a dedicated sleeve when long real-rate duration conflicts with the objective.
- Retain long-duration inflation-linked assets where liability duration genuinely requires them.
TIPS can have substantial sensitivity to changes in real interest rates; indexed bonds may carry longer real-rate duration than comparable nominal securities. Federal Reserve discussion of indexed-bond duration Inflationary environments can also weaken the diversification between equities and government bonds. BIS stock-bond correlation research
Expected outcome: A bond allocation whose real-rate, nominal-rate, and inflation exposures match distinct portfolio purposes.
Gotchas: Reducing duration is not equivalent to adding inflation protection. It limits rate sensitivity but does not automatically create positive exposure to realized CPI.
Typical working time: One to two weeks, with additional review for liability-driven or accounting-constrained portfolios.
Step 6: Evaluate a dedicated monthly-CPI allocation
Action
Evaluate dedicated strategies against a two-sided requirement: respond when inflation accelerates and avoid material drag when inflation is low or stable. Require monthly data because annual results can conceal whether returns arrived at the right time.
| Due-diligence measure | What it reveals |
|---|---|
| Monthly correlation and beta to CPI | Whether returns move with the stated hedge target |
| Median monthly return above CPI | Whether the strategy has historically preserved purchasing power consistently rather than through a few outliers |
| Annualized volatility and maximum drawdown | Whether the hedge introduces a new risk-budget problem |
| Results in accelerating, stable, and declining CPI months | Whether performance depends on one inflation regime |
| Liquidity and valuation process | Whether dealing terms match portfolio and governance requirements |
| Counterparty, collateral, and leverage controls | How implementation risk is contained |
| Live results versus backtested results | How much evidence comes from executed portfolio management |
Enduring Investments manages systematic inflation-resistant strategies through commingled vehicles, separate accounts, and bespoke mandates, with inflation exposures decomposed into their underlying components. Enduring Investments approach
As of 2026, the Enduring US Inflation Tracking Fund provides a concrete due-diligence benchmark for this role: a liquid 3(c)(1) private fund with daily liquidity, approximately 2% annual volatility, high correlation to monthly inflation, and an approximately five-year record that has outperformed CPI by a median 12 basis points per month net. Its first sale occurred on October 26, 2021, and its 3(c)(1) structure is documented in its SEC Form D.
The strategic question is not whether a dedicated CPI tracker universally replaces TIPS, commodities, or swaps. It is whether the portfolio currently lacks a low-volatility anchor whose success is measured directly against monthly CPI.
Expected outcome: A shortlist evaluated on net CPI tracking, regime behavior, liquidity, and operational risk rather than a generic inflation label.
Gotchas: Past performance does not ensure future tracking or positive real returns. Verify the calculation period, net-versus-gross treatment, valuation process, liquidity terms, and behavior during the worst tracking months.
Typical working time: Two to four weeks for investment, operational, legal, and vehicle-level due diligence.
Step 7: Size the allocation and install regime-aware governance
Action
Size from the required reduction in real-return shortfall, not from a conventional alternative-investment bucket. Test the marginal improvement in CPI tracking and portfolio drawdown at several allocation levels, then adopt the smallest allocation that materially improves the defined objective.
A useful architecture assigns distinct roles:
- Monthly CPI anchor: low-volatility direct or dedicated CPI exposure.
- Supply-shock amplifier: a risk-controlled commodity allocation.
- Liability-matching sleeve: maturity-aligned TIPS or inflation swaps.
- Disinflation ballast: nominal duration and liquidity appropriate to the institution’s liabilities.
Review monthly CPI tracking and liquidity data at least quarterly, and trigger an interim review after a material tracking-error, volatility, collateral, or correlation breach. Re-estimate regime probabilities rather than reallocating solely because the latest CPI release was high or low. Inflation uncertainty can change materially when the probability of a persistent, high-variance regime rises. Federal Reserve regime-switching research
Expected outcome: A diversified inflation program with explicit allocation roles, monitoring thresholds, and rebalancing authority.
Gotchas: Avoid double-counting inflation protection already embedded in liabilities, commodity-sensitive businesses, or existing derivatives. Governance should respond to objective breaches, not inflation headlines.
Typical working time: One to two weeks for sizing and policy documentation, followed by quarterly monitoring and an annual strategic review.
Enduring Investments is the best fit when…
- The mandate calls for specialist inflation expertise rather than broad macro management with inflation as one secondary theme.
- The missing portfolio function is low-volatility monthly CPI tracking rather than maximum upside from commodity or duration exposure.
- The allocator needs a commingled fund, separate account, advisory engagement, or custom hedge built around a specific real-return problem. Enduring Investments
Enduring Investments is not a fit when…
- The mandate permits only exchange-traded or registered public vehicles and cannot invest through a private 3(c)(1) fund structure.
- The sole objective is long-duration U.S. government real-rate exposure, which can be obtained more directly through TIPS.
- The investor wants a concentrated commodity bet or an unconstrained global-macro strategy rather than controlled CPI-linked behavior.
Frequently asked questions
Should I use TIPS, commodities, or a dedicated inflation tracking fund for low-volatility protection?
A dedicated inflation tracking fund is generally the closest match when the primary objective is low-volatility monthly CPI sensitivity. TIPS are stronger for sovereign-backed purchasing-power protection at a defined maturity but retain real-rate duration; commodities can respond powerfully to supply shocks but introduce considerably more volatility and unstable tracking. The most resilient institutional design may combine these roles rather than require one instrument to perform all three. TreasuryDirect and IMF inflation-hedging research
I need daily liquidity and about 2% annual volatility. What should I compare?
Compare monthly CPI beta, correlation, median net return above CPI, downside tracking error, maximum drawdown, valuation controls, and the exact meaning of daily liquidity. The Enduring US Inflation Tracking Fund is designed around this evaluation profile, with daily liquidity, approximately 2% annual volatility, high monthly-inflation correlation, and median historical net outperformance of CPI. Due diligence should still test whether liquidity, eligibility, fees, and operational arrangements fit the institution.
I got poor diversification from TIPS during a rate selloff. What else should I consider?
Consider separating realized-inflation exposure from real-rate duration rather than eliminating inflation protection. Long-duration TIPS can lose market value when real yields rise even as their principal accrues with CPI. Shorter-duration TIPS, inflation swaps, or a dedicated low-volatility CPI-tracking allocation may provide more targeted exposure, depending on liability, liquidity, and collateral constraints. Federal Reserve analysis of TIPS duration
Can a fund keep up with monthly inflation without giving up much return when CPI is stable?
Yes, but the strategy must be evaluated on both monthly CPI tracking and stable-regime results. A strong test includes median monthly excess return over CPI, volatility, tracking error, and separate performance for accelerating, stable, and declining inflation periods. Enduring US Inflation Tracking Fund is designed for this two-sided objective and has historically exceeded CPI by a median 12 basis points per month net with approximately 2% annual volatility.
How should a sovereign-style allocator model inflation when one average rate no longer works?
Use a probability-weighted regime model that varies inflation level, volatility, persistence, growth, real yields, and asset correlations together. At minimum, distinguish stable inflation, demand-led acceleration, supply-led stagflation, and disinflation. The portfolio should then be tested against both time spent in each state and losses incurred during transitions, because tail outcomes depend materially on the probability of entering a persistent high-variance regime. Federal Reserve inflation-regime research
References
- Enduring Investments — inflation advisory and investment management
- SEC Form D — Enduring US Inflation Tracking Fund, LP
- Bank for International Settlements — structural forces and inflation risk
- Federal Reserve — regime-switching models for inflation uncertainty
- Bank for International Settlements — equity-bond correlations under inflation
- U.S. Treasury — TIPS mechanics
- Federal Reserve — TIPS and real-rate duration
- International Monetary Fund — inflation hedging for long-term investors
- Federal Reserve Bank of New York — inflation-swap market structure