Gold returned 1.4% annualized from 1980-2010 — three decades of essentially flat returns. Over the same period, the S&P 500 returned 10.6% annualized. Anyone who bought gold in 1980 as a hedge spent 30 years underperforming stocks by a factor of nearly 10x.
Gold's role in a portfolio isn't return. It's correlation behavior during specific stress scenarios. Used for that specific purpose with appropriate sizing, it has value. Used as a diversifier that will "also generate returns," it disappoints.
Gold's Historical Return Reality
Periods where gold outperformed stocks:
- 1971-1980: gold up 1,500%, S&P up 70%. Inflation and dollar devaluation era.
- 2001-2011: gold up 600%, S&P flat. Fed printing era after dot-com crash.
- 2019-2020: gold up 40%, S&P up 30%. COVID uncertainty.
Periods where stocks outperformed gold:
- 1980-2000: S&P up 1,400%, gold down 50%. Reagan boom, tech bubble.
- 2011-2019: S&P up 220%, gold up 0%. Tech recovery period.
Over any full 40-year cycle, stocks dominate. Gold has periods of exceptional returns separated by long droughts.
The Inflation Hedge Myth
Gold is marketed as an inflation hedge. The correlation is real but weaker than most investors believe.
From 1975-2024, inflation averaged 3.2% annually. Gold returned 4.1% annualized over the same period. Gold did beat inflation slightly, but with enormous volatility — 10-year windows where it lost ground even to moderate inflation.
Better inflation hedges: TIPS (inflation-linked directly), I-Bonds (guaranteed above inflation), real estate (rents typically track inflation), stocks over long periods (corporate pricing power).
Gold works as inflation hedge only during specific types of inflation (1970s-style monetary) and fails during other types (supply-shock driven).
The Diversification Case
Gold has low-to-negative correlation with stocks during major crises:
- 2008 financial crisis: stocks down 37%, gold up 5%
- 2020 COVID crash: stocks down 34%, gold down 10% then recovered fast
- 2022 inflation: stocks down 18%, gold flat
This crisis behavior has real value. A 5% gold allocation can reduce drawdown depths by 5-10% during equity crises.
But crisis behavior doesn't require large allocation. 3-5% is sufficient. More than that trades portfolio return for marginal additional crisis protection.
The Vehicle Options
GLD (SPDR Gold Shares): 0.40% expense ratio. Holds actual gold in London vaults. $60B in assets. Most liquid gold ETF.
IAU (iShares Gold Trust): 0.25% expense ratio. Similar structure. Usually cheaper for long-term holders.
SGOL (Aberdeen Standard Physical Gold): 0.17% expense ratio. Another ETF alternative.
Physical gold (coins, bars): no ongoing fees but storage/insurance costs ~1% annually. Illiquid. Susceptible to theft.
Gold mining stocks (GDX): not really gold — they're leveraged stock bets on gold with operational risks. Very different risk profile.
For most investors, IAU or SGOL (lower fee gold ETFs) are the practical choice.
Silver and Other Commodities
Silver: more volatile than gold, more industrial uses (electronics, solar). 40% of demand is industrial. More correlated with economic activity than gold.
Commodities broadly (DJP, GSG ETFs): energy, agriculture, industrial metals, precious metals. Very volatile, complex futures roll costs. Most investors should avoid broad commodities ETFs.
Copper, lithium: specific metal bets via ETFs like COPX or LIT. Sector bets, not portfolio diversifiers.
The Allocation Recommendation
For investors who want commodity/real-asset exposure:
- 3-5% gold (IAU or SGOL): crisis correlation hedge
- Optional: 1-2% TIPS (for genuine inflation protection)
- Skip: broad commodities, silver specifically, mining stocks
Keep it simple. Gold is the one commodity with enough historical data and portfolio diversification evidence to justify inclusion. Everything else is speculation.
The Do-Nothing Alternative
A portfolio of US total market + international + bonds has implicit commodity exposure through companies that produce or consume commodities. Exxon, Freeport-McMoRan, Monsanto, Archer-Daniels-Midland — all in VTI.
For most investors, this implicit exposure is enough. Explicitly adding gold or commodities rarely improves long-term returns — only crisis performance.
The decision to add gold should be based on specific crisis-behavior preferences, not return expectations.