Evidence-based investing research
Value Investing Strategy (Strategy Overview)
Allocations for November 2026 (Final)
Cash TLT LQD SPY
Momentum Investing Strategy (Strategy Overview)
Allocations for November 2026 (Final)
1st ETF 2nd ETF 3rd ETF

Review of the Golden Butterfly Portfolio

Steve LeCompte | | Posted in: Strategic Allocation

Guide Asset Allocation and Portfolios Fixed and lazy portfolios

Key Insight

Golden Butterfly (equal-weight VTI/IJS/TLT/SHY/GLD; monthly or annual rebalancing) had markedly lower CAGR than VTI and GLD but a fairly shallow maximum drawdown (ETFs Nov 2004–Jan 2026; gross of trading costs; mutual-fund proxies from Apr 1992).

A subscriber requested review of the Golden Butterfly (GB) portfolio, which assigns equal weights to the total stock market, small-capitalization value stocks, long-term government bonds, short-term government bonds and gold. To investigate, we use the following exchange-traded funds (ETF) as asset class proxies, respectively:

  • Vanguard Total Stock Market Index Fund (VTI)
  • iShares S&P Small-Cap 600 Value Fund (IJS)
  • iShares Barclays 20+ Year Treasury Bond (TLT)
  • iShares 1-3 Year Treasury Bond (SHY)
  • SPDR Gold Shares (GLD)

We consider either monthly or annual rebalancings to equal weight, ignoring associated trading frictions. Using monthly dividend-adjusted prices for the five ETFs during November 2004 (limited by GLD) through January 2026, we find that:

Read this study free

The rest of this study: 640 words and 6 charts.

Enter your email and we’ll send you a link to this article. 3 premium articles a month, no password or card.

Asset Allocation and Portfolios guide

More on fixed and lazy portfolios

  • Are Target Retirement Date Funds Attractive? Premium Vanguard Target Retirement 2020-2050 funds were generally not preferable to a monthly rebalanced 60% SPY/40% LQD mix on return, volatility and reward-to-risk metrics (inceptions…
  • Retirement Portfolio ETF Allocations by AI Panel Premium Is the evolving set of artificial intelligence (AI) platforms based on large language models interesting as retirement portfolio specification advisors? Are they monolithic, or…
  • Testing the All Weather Portfolio Premium The annually rebalanced 60/40 VTI/TLT benchmark beat the All Weather portfolio (30% VTI, 40% TLT, 15% IEF, 7.5% GLD, 7.5% DBC; annual rebalance) in…
  • Best Defense for a 60/40 Portfolio? Premium Defensive Absolute Return (DAR; monthly long lowest-/short highest-correlation thirds of 25 long/short factors) averaged 0.8% gross monthly return in the 60/40 portfolio's worst 10%…
  • No Safe Fixed Retirement Withdrawal Rate? Premium With frictions included, the inflation-adjusted 4% withdrawal rule failed for 1960s retirees across 100% stocks, 60/40, 30/70 and 100% corporate bond allocations, but worked…

All 247 articles in the Asset Allocation and Portfolios guide