Bogleheads Four-fund Portfolio

The chart shows the growth of an initial investment of $10,000 in Bogleheads Four-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 Four-fund Portfolio returned -0.87% Year-To-Date and 9.44% of annualized return in the last 10 years.

Based on dividend-adjusted daily data since Jun 5, 2013, Bogleheads Four-fund Portfolio's average daily return is +0.04%, while the average monthly return is +0.74%. At this rate, your investment would double in approximately 7.8 years.

Historically, 69% of months were positive and 31% were negative. The best month was Nov 2020 with a return of +8.7%, while the worst month was Mar 2020 at -10.2%. The longest winning streak lasted 15 consecutive months, and the longest losing streak was 4 months.

On a daily basis, Bogleheads Four-fund Portfolio closed higher 55% of trading days. The best single day was Mar 13, 2020 with a return of +6.7%, while the worst single day was Mar 12, 2020 at -8.3%.

Bogleheads Four-fund Portfolio has an annualized alpha of 0.80%, beta of 0.67, and R² of 0.95 versus S&P 500 Index. Calculated based on daily prices since June 05, 2013.

• This portfolio participated in 74.71% of S&P 500 Index downside but only 69.34% of its upside — more exposed to losses than it benefited from rallies.
• Beta of 0.67 indicates this portfolio moves significantly less than S&P 500 Index — a genuinely defensive profile with reduced participation in both market rallies and downturns.

Bogleheads Four-fund Portfolio has an expense ratio of 0.04%, 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 Four-fund Portfolio ranks 51 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 Four-fund Portfolio Sharpe ratios as of Apr 3, 2026 (values are recalculated daily):

• 1-Year: 1.24
• 5-Year: 0.60
• 10-Year: 0.76
• All Time: 0.74

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 Four-fund Portfolio compared to the selected benchmark. This view highlights how the investment's risk-adjusted performance has changed over time.

Bogleheads Four-fund Portfolio provided a 2.37% 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 Four-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 Four-fund Portfolio was 24.76%, occurring on Mar 23, 2020. Recovery took 92 trading sessions.

The current Bogleheads Four-fund Portfolio drawdown is 4.50%.

The chart below shows the rolling one-month volatility.