Resilience and portfolio families (optional)
Chapters
Chapters

Compare portfolio families by the job they do

Compare what each portfolio design is meant to do, where its offsets can fail and what it takes to maintain. Keep a workable simple allocation beside the named families.

Start with an alternative you could maintain.

Compare each design’s exposures, failure conditions and maintenance against a simpler arrangement serving the same goal.

Shares supply business risk; bonds need specified credit, duration and currency. Near-term bills may need separate accessible funding.

A simple reference is not automatically suitable

Shares can dominate fluctuations despite a substantial bond allocation. Long-duration bonds are not a short-term reserve. Compare actual exposures and full costs, not merely fund count. This optional chapter requires neither replacing a suitable plan nor operating contracts yourself.

What organising idea sits behind the name?

The organising rule leads to exposures and ongoing work.

Simple mix

RuleGoal and loss capacity

ExposureShare/bond capital weights

Maintenance / obligationsReview allocations; owner or fund maintains holdings.

All Weather

RuleGrowth/inflation surprises

ExposureBalance economic risks; no single fixed mix

Maintenance / obligationsMaintain estimates and exposures; inspect leverage and collateral terms.

Permanent Portfolio

RuleBrowne’s simplified version

ExposureEqual quarters: stocks, bonds, cash, gold

Maintenance / obligationsMaintain weights; local instruments change currency, access and costs.

No label fixes identical instruments or prevents losses. Equal money is not equal risk; leverage or derivatives can add hidden obligations.

The sources describe designs, not universal prescriptions

Bridgewater discusses growth/inflation surprises relative to market expectations and risk balancing. Its rationale neither proves a retail collection reproduces the institutional strategy nor removes losses in every environment.

Rowland/Lawson’s publisher excerpt supplies the simplified equal quarters of stocks, bonds, cash and gold. These are design weights, not recommendations; inspect each fund’s instruments and discretion.

Several holdings can fall in the same shock.

Invented €100,000 portfolio, 60% shares / 40% bonds. Same-period total returns are −20% and −10% in one measurement currency. No flows, rebalancing, fees or taxes.
€0€100,000

Before: shares €60,000; bonds €40,000

After: shares €48,000; bonds €36,000

Solid: shares. Hatched: bonds. Both shrink; €84,000 remains, a 16% loss.

Bonds reduce the loss versus all shares here without rising to offset it. Another diversifier, including gold, need not rise enough or soon enough.

Calculate the joint loss and examine shared drivers

€60,000 × 0.80 + €40,000 × 0.90 = €84,000; €16,000 lost is 16% of initial capital. Other mixes change this conditional result.

Higher yields can lower nominal-bond prices; discount rates and business expectations can hurt shares. ECB history illustrates inflation/policy effects on both, not a forecast of their next correlation. Diversification reduces dependence without eliminating shared vulnerabilities.

Count the trade-offs and operating work.

Components can disappoint for years. Cash access can coexist with lost purchasing power; long bonds remain rate-sensitive. In a simplified unlevered physical-gold holding with no lending or other income, gross price return is (sale price − purchase price) ÷ purchase price. A positive result therefore needs a higher sale price, before storage, dealing costs and taxes. Income-paying or leveraged arrangements require their own cash-flow accounting.

An occasional allocation review differs from managing estimates, collateral and contracts. Delegation moves work inside a fund, retaining economic costs and risk.

Keep the overall risk comparison consistent

Changing one exposure can raise another or leave less in a later winner. Do not compare an unleveraged allocation with a leveraged design and assign every difference to diversification. Lower historical fluctuation alone establishes no better funding for a particular bill.

Which obligations remain unfunded in the adverse case?

Test joint losses, inflation, currency and interrupted access against the goal’s deadline and affordable loss. A foreign model establishes neither local tax treatment nor product suitability.

Unclear assumptions or unwanted maintenance justify keeping the simpler reference, without daily regime forecasts.

Check your understanding

Try each question, then check your answer.

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01

Two All Weather portfolios

Two portfolios are both described as All Weather. What is needed to assess whether they are comparable?

  • Their stated asset classes and fund count, assuming these fix the amount of economic exposure.
  • Their annualised returns, assuming a higher figure identifies the same design implemented better.
  • Their actual exposures, weights, leverage, currency treatment, costs and maintenance rules.
Show the explanation

Correct answer: Their actual exposures, weights, leverage, currency treatment, costs and maintenance rules.

A family name communicates an organising idea, not necessarily one identical implementation. The assets and obligations determine what can happen to the investor's money. Compare them on consistent terms and against the goal rather than treating the name as a guarantee.

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02

Holdings with different roles

A portfolio includes assets intended to help in different economic conditions. Which expectation is reasonable?

  • Some components can disappoint for long periods, and several can still lose together.
  • Different intended roles are enough to make historical offsets reliable in a new inflation shock.
  • Lower measured volatility establishes that the portfolio can fund a nearby bill in full.
Show the explanation

Correct answer: Some components can disappoint for long periods, and several can still lose together.

Different roles can reduce dependence on one outcome without removing all shared risks. Holding a component for difficult conditions also means living with its costs and periods of disappointment. The design needs a role the household can maintain, rather than a promise of gains in every regime.

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