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Does Max-Sharpe optimized (trailing 36 months) Beat the S&P 500? A 10-Year Backtest

Max-Sharpe optimized (trailing 36 months) against the S&P 500 from Jul 2019 to Sep 2026: returns, volatility, Sharpe and Sortino ratios, drawdowns, the COVID crash and 2022, year by year.

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Key takeaways

  • Max-Sharpe optimized (trailing 36 months): +13.5% a year vs +15.7% for the S&P 500 (Jul 2019–Sep 2026, backtest).
  • Sharpe ratio 0.83 vs 0.83; max drawdown −30.5% vs −23.9%.
  • It beat the S&P 500 in 3 of 6 calendar years.
  • It lagged the S&P 500 on both raw and risk-adjusted return over this period.

Max-Sharpe optimized (trailing 36 months) vs the S&P 500: the results

From Jul 2019 to Sep 2026, max-sharpe optimized (trailing 36 months) returned +13.5% a year against +15.7% for the S&P 500, with volatility of 13.6% against 16.3%. It lagged the S&P 500 on both raw and risk-adjusted return over this period.

MetricMax-Sharpe optimized (trailing 36 months)S&P 500
Annual return (CAGR)+13.5%+15.7%
Volatility13.6%16.3%
Sharpe ratio0.830.83
Sortino ratio1.311.34
Max drawdown (month-end)−30.5%−23.9%
COVID crash (Feb–Mar 2020)−1.4%−19.4%
2022−27.8%−18.2%
Calendar years beating the S&P 5003 of 6—
Correlation with the S&P 5000.711.00

Year by year

YearMax-Sharpe optimized (trailing 36 months)S&P 500Difference
2026 (YTD)+7.1%+12.1%−5.0%
2025+50.0%+17.7%+32.3%
2024+28.3%+24.9%+3.4%
2023+26.0%+26.2%−0.2%
2022−27.8%−18.2%−9.6%
2021+1.6%+28.7%−27.1%
2020+24.3%+18.3%+6.0%

Growth of $10,000

End ofMax-Sharpe optimized (trailing 36 months)
2019$10,601
2020$13,172
2021$13,380
2022$9,655
2023$12,161
2024$15,599
2025$23,395
Sep 2026$25,062

How the backtest is built

Holdings: SPY / QQQ / IWM / TLT / GLD / AGG. Each month, search long-only weights in 10% steps across SPY, QQQ, IWM, TLT, GLD and AGG for the mix with the highest Sharpe ratio over the previous 36 months, then hold it for one month.

Ten years is one market cycle dominated by US large‑cap growth, so results for value, small caps and international‑style tilts can look very different over other periods. Compare every strategy side by side on the strategies page, or read why beating the S&P 500 is so hard.

Backtested (hypothetical) results calculated by Exent from historical ETF prices with dividends reinvested, monthly rebalancing unless stated, and no trading costs, taxes or fees beyond the funds’ own expense ratios. Backtests are not actual trading and have hindsight bias. Past performance does not guarantee future results. Not investment advice.

Measure your own portfolio the same way

  1. Upload a screenshot of your holdings; no brokerage login.
  2. Exent computes your return, volatility, Sharpe, Sortino and drawdowns and compares them with a risk‑matched benchmark, not just the S&P 500.
  3. The efficient frontier shows whether a different mix of what you already own took less risk for the same return.

Exent is our product. Educational content, not investment advice.

Frequently asked questions

In Exent's backtest from Jul 2019 to Sep 2026, max-sharpe optimized (trailing 36 months) returned +13.5% a year versus +15.7% for the S&P 500, with a Sharpe ratio of 0.83 versus 0.83. It lagged the S&P 500 on both raw and risk-adjusted return over this period. Results over other periods can differ.

It returned −27.8% in 2022, when the S&P 500 returned −18.2%.

How does your own portfolio compare?

Exent measures your portfolio against a risk-matched benchmark, shows its Sharpe ratio, drawdowns and crash exposure, and where it sits on the efficient frontier.

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Educational content, not investment advice. Examples are illustrative; past performance does not guarantee future results.

DISCLAIMER: Exent AI is an informational research platform and does not provide investment advice, financial advice, or act as an investment adviser, broker-dealer, or fiduciary. All content, analytics, and model outputs are provided for educational and informational purposes only and should not be relied upon as a recommendation to buy, sell, or hold any financial instrument. Investing involves risk, including the possible loss of principal. Exent AI does not execute trades, hold customer funds, or provide brokerage services. Past performance and hypothetical results are not indicative of future results. Third-party data and AI-generated outputs may be incomplete or inaccurate.