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VMFXX
Performance
Return for Risk
Dividends
Drawdowns
Volatility
Diversification

Asset Allocation


VMFXX 100.00%BondBond
PositionCategory/SectorTarget Weight
VMFXX
Vanguard Federal Money Market Fund
Money Market
100%

S&P 500 Index

Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in VMFXX, 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 never rebalanced.


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The earliest data available for this chart is May 25, 2021, corresponding to the inception date of VMFXX

Returns By Period


1D1MYTD6M1Y3Y*5Y*10Y*
Benchmark
S&P 500 Index
0.11%-3.43%-3.84%-1.98%16.08%16.86%10.37%12.29%
Portfolio
VMFXX
0.00%0.00%0.59%1.58%3.75%3.32%
VMFXX
Vanguard Federal Money Market Fund
0.00%0.00%0.59%1.58%3.75%3.32%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Monthly Returns

Based on dividend-adjusted daily data since May 26, 2021, VMFXX's average daily return is +0.01%, while the average monthly return is +0.18%. At this rate, your investment would double in approximately 32.1 years.

Historically, 48% of months were positive and 52% were negative. The best month was Oct 2023 with a return of +0.5%, while the worst month was May 2021 at 0.0%. The longest winning streak lasted 16 consecutive months, and the longest losing streak was 0 months.

On a daily basis, VMFXX closed higher 2% of trading days. The best single day was Oct 31, 2023 with a return of +0.5%, while the worst single day was May 26, 2021 at 0.0%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.31%0.28%0.00%0.00%0.59%
20250.37%0.33%0.36%0.35%0.36%0.35%0.36%0.36%0.34%0.34%0.32%0.32%4.24%
20240.00%0.00%0.00%0.00%0.45%0.00%0.00%0.00%0.42%0.00%0.38%0.38%1.64%
20230.36%0.35%0.39%0.39%0.43%0.42%0.43%0.45%0.44%0.45%0.44%0.00%4.64%
20220.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
20210.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%

Benchmark Metrics

VMFXX has an annualized alpha of 2.32%, beta of 0.00, and R² of 0.00 versus S&P 500 Index. Calculated based on daily prices since May 26, 2021.

  • This portfolio captured 5.06% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -4.34%) — a profile typical of hedging or uncorrelated assets.
  • Beta of 0.00 may look defensive, but with R² of 0.00 this portfolio is largely uncorrelated with S&P 500 Index — low beta reflects independence, not downside protection. See the Volatility section for a true picture of this portfolio's risk.
  • R² of 0.00 means this portfolio moves largely independently of S&P 500 Index — capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

Alpha
2.32%
Beta
0.00
0.00
Upside Capture
5.06%
Downside Capture
-4.34%

Expense Ratio

VMFXX has an expense ratio of 0.00%, meaning no management fees are charged. Below, you can find the expense ratios of the portfolio's funds side by side and easily compare their relative costs.


Return for Risk

Return / Risk — by metrics


PortfolioBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

3.51

0.88

+2.63

Sortino ratio

Return per unit of downside risk

1.37

Omega ratio

Gain probability vs. loss probability

1.21

Calmar ratio

Return relative to maximum drawdown

1.39

Martin ratio

Return relative to average drawdown

6.43


How much return does each position deliver for the risk it carries? Higher values mean better reward for the risk taken.

Risk / Return RankSharpe ratioSortino ratioOmega ratioCalmar ratioMartin ratio
VMFXX
Vanguard Federal Money Market Fund
3.51

Sharpe Ratio

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.

VMFXX Sharpe ratios as of Apr 2, 2026 (values are recalculated daily):

  • 1-Year: 3.51
  • All Time: 2.51

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 1.00 to 1.70, this portfolio's current Sharpe ratio is in the top 25%. This signifies superior risk-adjusted performance, meaning the portfolio is delivering strong returns for the level of risk taken compared to most others.

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


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Dividends

Dividend yield

VMFXX provided a 3.68% dividend yield over the last twelve months.


TTM202520242023
Portfolio3.68%4.14%1.63%4.53%
VMFXX
Vanguard Federal Money Market Fund
3.68%4.14%1.63%4.53%

Monthly Dividends

The table below shows the monthly dividends paid by this portfolio.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.00$0.00$0.00$0.01
2025$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.04
2024$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.02
2023$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.05

Drawdowns

Drawdowns Chart

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.


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Worst Drawdowns

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

The portfolio has not yet recovered.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Diversification

Diversification Metrics


Number of Effective Assets

The portfolio contains 1 assets, with an effective number of assets of 1.00, reflecting the diversification based on asset allocation. This number of effective assets suggests a highly concentrated portfolio, where a few assets dominate the allocation, potentially increasing the portfolio's risk due to lack of diversification.

Asset Correlations Table

The table below displays the correlation coefficients between the individual components of the portfolio, the entire portfolio, and the chosen benchmark.

BenchmarkVMFXXPortfolio
Benchmark1.000.030.03
VMFXX0.031.001.00
Portfolio0.031.001.00
The correlation results are calculated based on daily price changes starting from May 26, 2021