Bogleheads Three-fund Portfolio

The chart shows the growth of an initial investment of $10,000 in Bogleheads Three-fund Portfolio, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends. The portfolio is rebalanced Every 3 months.

As of Apr 3, 2026, the Bogleheads Three-fund Portfolio returned -0.38% Year-To-Date and 10.28% of annualized return in the last 10 years.

Based on dividend-adjusted daily data since Jul 27, 2007, Bogleheads Three-fund Portfolio's average daily return is +0.03%, while the average monthly return is +0.67%. At this rate, your investment would double in approximately 8.7 years.

Historically, 65% of months were positive and 35% were negative. The best month was Nov 2020 with a return of +10.4%, while the worst month was Oct 2008 at -15.6%. The longest winning streak lasted 15 consecutive months, and the longest losing streak was 6 months.

On a daily basis, Bogleheads Three-fund Portfolio closed higher 55% of trading days. The best single day was Oct 13, 2008 with a return of +11.6%, while the worst single day was Mar 12, 2020 at -9.1%.

Bogleheads Three-fund Portfolio has an annualized alpha of 0.81%, beta of 0.77, and R² of 0.95 versus S&P 500 Index. Calculated based on daily prices since July 27, 2007.

• This portfolio participated in 84.65% of S&P 500 Index downside but only 81.50% of its upside — more exposed to losses than it benefited from rallies.

Bogleheads Three-fund Portfolio has an expense ratio of 0.03%, which is considered low. Below, you can find the expense ratios of the portfolio's funds side by side and easily compare their relative costs.

Bogleheads Three-fund Portfolio ranks 58 for risk / return — on par with similar portfolios. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.

The Sharpe ratio helps investors understand how much return they're getting for the level of risk taken. A higher Sharpe ratio indicates better risk-adjusted performance, meaning more reward for each unit of risk.

Bogleheads Three-fund Portfolio Sharpe ratios as of Apr 3, 2026 (values are recalculated daily):

• 1-Year: 1.32
• 5-Year: 0.62
• 10-Year: 0.74
• All Time: 0.47

These values reflect how efficiently the investment has delivered returns relative to its volatility over different time periods. All figures are annualized and based on daily total returns (including price changes and dividends).

Compared to the broad market, where average Sharpe ratios range from 0.98 to 1.66, this portfolio's current Sharpe ratio falls between the 25th and 75th percentiles. This indicates that its risk-adjusted performance is in line with the majority of portfolios, suggesting a balanced approach to risk and return—likely suitable for a wide range of investors.

The chart below shows the rolling Sharpe ratio of Bogleheads Three-fund Portfolio compared to the selected benchmark. This view highlights how the investment's risk-adjusted performance has changed over time.

Bogleheads Three-fund Portfolio provided a 2.24% dividend yield over the last twelve months.

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.

The table below displays the maximum drawdowns of the Bogleheads Three-fund Portfolio. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Bogleheads Three-fund Portfolio was 47.73%, occurring on Mar 9, 2009. Recovery took 539 trading sessions.

The current Bogleheads Three-fund Portfolio drawdown is 5.14%.

The chart below shows the rolling one-month volatility.