How a 40% gold portfolio fared in the 1970s inflation decade

40% gold tilt — 40% gold · 40% equities · 20% cash · quarterly rebalance · physical costs on (coins) · window 1970-01-02 to 1980-01-31 · computed 2026-07-06 with the same engine the app runs.

$4,977$10,000$24,1991970-01-021980-01-31

Solid: this portfolio, real (CPI-deflated) value of $10,000. Dashed: the all-equity baseline.

Total return (real)+114.6%
Total return (nominal)+341.6%
CAGR (real)+7.9%
Max drawdown (real)−27.4%
Recovery3.1 years
Purchasing-power ratio2.15×
Ulcer index13.9
Worst calendar year1975: +1.4%
Physical costs paid$2,021
Liquidation value$43,564

A $10,000 stake in a 40% gold portfolio (40% gold · 40% equities · 20% cash, rebalanced quarterly, physical costs on coins applied) entering the 1970s inflation decade would have ended the window worth $21,456 in real, CPI-deflated terms — a real return of +114.6%. Along the way it fell at most 27.4% from its peak (3.1 years), with an ulcer index of 13.9. The same stake in equities alone returned −40.4% real — this allocation beat it by 154.9 percentage points of purchasing power. Physical ownership — dealer spread, storage, insurance — cost $2,021 over the window.

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The link above prefills the allocation — adjust weights, costs, and windows from there. Sources and formulas: methodology.

Educational estimates — not financial advice