Permanent / All WeatherAll weatherMulti-assetModerateMedium complexity

Golden Butterfly

A balanced portfolio combining growth, stability and real assets with a strong tilt toward small-cap value.

Asset allocation

US Stocks
20%
Small Cap Value
20%
Long Bonds
20%
Short Bonds
20%
Gold
20%

History

The Golden Butterfly Portfolio was popularized in the 2010s by Tyler (Portfolio Charts) as an evolution of Harry Browne’s Permanent Portfolio from the 1980s. While Browne’s design focused on survival across economic regimes, the Golden Butterfly sought to improve long-term growth without sacrificing robustness. The key innovation was the introduction of a dedicated small-cap value equity sleeve, reflecting decades of academic research—particularly from Eugene Fama and Kenneth French—suggesting that smaller, value-oriented companies have historically delivered higher long-term returns. By combining this growth engine with bonds, gold and cash-like assets, the portfolio became one of the most balanced “all-weather” retail portfolios.

Philosophy

Preserve the macro balance of the Permanent Portfolio while strengthening the growth engine. Large-cap equities provide broad market exposure, small-cap value adds a long-term return premium, long bonds defend against deflation and economic slowdowns, short bonds provide stability and liquidity, and gold protects against inflation and monetary instability. The result is a portfolio that does not depend on a single economic regime but still compounds meaningfully over time.

Implementation

Local products and proxies

🇪🇸 Spain implementation

Spain-based investor seeking a robust all-weather portfolio using UCITS ETFs and factor exposure.

US Stocks: IWDA or S&P 500 UCITS ETF (CSPX/VUAA).

Small Cap Value: this is the hardest sleeve in Europe; use MSCI World Small Cap ETFs or factor-tilted funds if available, understanding that true value tilt may be diluted.

Long Bonds: long-duration government bond ETFs (EUR or hedged).

Short Bonds: short-duration EUR bond funds or money-market-like funds.

Gold: physically backed ETCs such as SGLN or PHAU.

Account notes: Small-cap value exposure is structurally weaker in UCITS compared to US ETFs. Investors should accept approximation rather than perfection. Fund vs ETF decision may affect tax efficiency.

Costs: Factor funds and small-cap ETFs tend to be more expensive. Ensure that added cost actually delivers exposure and is not just marketing.

Rebalancing: Annual rebalancing is sufficient. This portfolio benefits strongly from disciplined rebalancing due to asset dispersion.

Tax: Gold ETCs and bond funds may have different tax treatment. Consider accumulating share classes where possible.

IWDACSPXVUAAIUSNSGLNPHAU

Product names are implementation examples for research. Availability, taxation, share classes and suitability should be checked with the investor's broker and tax situation.

Similar portfolios

Adjacent ideas in the atlas