Playbooks / Portfolio
All Weather and the four boxes
The rule
Bridgewater's insight was not a portfolio, it was a way of describing the world with two variables instead of a forecast.
Economic surprises, the ones that actually move asset prices, resolve into growth coming in above or below expectations, and inflation coming in above or below expectations. Two variables, two directions, four boxes. Every asset class has a box where it does well and a box where it suffers, and those relationships are structural rather than historical accidents.
| Growth rising | Growth falling | |
|---|---|---|
| Inflation rising | Commodities, emerging market debt, real assets | Inflation linked bonds, commodities, gold |
| Inflation falling | Equities, corporate credit | Government bonds, long duration |
The conclusion follows directly. If you cannot reliably predict which box the next five years lands in, and the evidence that anyone can is thin, then hold something that wins in each, sized so that each box contributes a similar amount of risk rather than a similar amount of money. The permanent portfolio reached the same conclusion two decades earlier and stopped at four equal quarters, which is the same idea without the risk weighting and with all of its costs on the surface.
That last clause is what makes it different from ordinary diversification. A sixty forty portfolio looks balanced in money and is not balanced in risk: equities are roughly three times as volatile as bonds, so it takes about ninety percent of its risk from equities. It is a growth bet wearing a diversified costume.
What it is not
It is not a magic portfolio and it has had genuinely bad periods. 2022 was one of them: growth fell and inflation rose at the same time, the box that punishes both the equity leg and the long duration bond leg, and risk parity strategies broke alongside everything else. Anyone who told you All Weather protects against all weather was selling something.
Why it earns its place on this site
Because the framework is more valuable than the portfolio. Most investors have never once asked which of the four boxes their holdings need in order to work. Run the test on your own balance sheet and the answer is usually uncomfortable: property, equities and business income all want the same box, growth rising and inflation contained. That is not a portfolio, it is one bet expressed three ways.
This is the same idea as the Playbook Matrix, from a different angle. Both exist to make you notice a concentration you did not know you had.
The arithmetic
Where it breaks
- Balancing risk usually means leveraging the bond leg to make its risk contribution meaningful, which introduces financing costs and a dependence on borrowing markets staying open.
- It failed in 2022, when rising inflation and falling growth arrived together and hit both the equity and long duration legs at once. The framework describes that box, but holding it did not protect you inside it.
- It is built on the correlation structure of a forty year disinflation. If that regime does not repeat, the diversification it assumes may not show up.
- Retail versions sold as All Weather are usually a fixed allocation with no leverage and no risk balancing, which is a different product wearing the name.
- It gives no guidance on illiquid assets, which for most property owners is the majority of the balance sheet.
When to use it
As a diagnostic rather than a portfolio. Once a year, name the box each of your holdings needs and count how many share one. Act on the count, not on the label.
Sources
- Bridgewater Associates, The All Weather Story
- PortfoliosLab, All Weather portfolio performance
- Markov Processes, risk parity and the weather
Last reviewed . Educational research, not personal advice. Disclosure standards.