Explore
Ideas to test against one bar. Every portfolio, model and backtest here is measured against the three-fund reference mix: 60% in stocks, two-fifths of them abroad, and 40% in US bonds. The pages show where each one gained on it and where it fell short, as hypothetical backtests, not forecasts.
Portfolios
Twelve portfolios people hold, each credited to its designer, measured against the three-fund over one window.
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Backtest
Any mix of funds on decades of total-return data: the growth, the worst declines and how long they lasted.
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Models
The lab's own designs, pre-registered before they ran, published with the variants that failed.
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Asset classes
The history behind every fund: one canonical fund per asset class, and where its history is extended.
See the data →