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BGEIX vs. VMFXX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

BGEIX vs. VMFXX

Last updated Jun 13, 2026

BGEIX (American Century Global Gold Fund) and VMFXX (Vanguard Federal Money Market Fund) are both mutual funds - BGEIX is a Precious Metals fund managed by American Century, while VMFXX is a Money Market fund managed by Vanguard. Over the past 5 years, BGEIX returned 16.48%/yr vs 2.39%/yr for VMFXX. At a 0.03 correlation, their price movements are largely independent. BGEIX charges 0.65%/yr vs 0.11%/yr for VMFXX.

Performance

BGEIX vs. VMFXX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Global Gold Fund (BGEIX) and Vanguard Federal Money Market Fund (VMFXX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, BGEIX achieves a -9.64% return, which is significantly lower than VMFXX's 1.50% return.

BGEIX

1D
5.64%
1M
-17.86%
YTD
-9.64%
6M
-7.72%
1Y
42.26%
3Y*
38.91%
5Y*
16.48%
10Y*
12.13%

VMFXX

1D
0.00%
1M
0.30%
YTD
1.50%
6M
1.82%
1Y
3.95%
3Y*
3.35%
5Y*
2.39%
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

BGEIX vs. VMFXX - Yearly Performance Comparison

2026 (YTD)20252024202320222021
BGEIX
American Century Global Gold Fund		-9.64%158.45%15.10%7.52%-12.54%-17.37%
VMFXX
Vanguard Federal Money Market Fund		1.50%4.24%1.64%4.64%0.00%0.00%

Correlation

The correlation between BGEIX and VMFXX is 0.06, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.06

Correlation (3Y)
Calculated over the trailing 3-year period

0.02

Correlation (5Y)
Calculated over the trailing 5-year period

0.03

Correlation (All Time)
Calculated using the full available price history since May 25, 2021

0.03

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

American Century Global Gold Fund

Vanguard Federal Money Market Fund

Often compared with BGEIX:
BGEIX vs. FSAGXBGEIX vs. GDXJBGEIX vs. GLDBGEIX vs. SGGDXBGEIX vs. SGDLXBGEIX vs. IYRBGEIX vs. VOO
Often compared with VMFXX:
VMFXX vs. VUSXXVMFXX vs. SPAXXVMFXX vs. SWVXXVMFXX vs. SGOVVMFXX vs. VMRXXVMFXX vs. BNDVMFXX vs. SNSXX

Return for Risk

BGEIX vs. VMFXX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
BGEIX
BGEIX Risk / Return Rank: 2323
Overall Rank
BGEIX Sharpe Ratio Rank: 2525
Sharpe Ratio Rank
BGEIX Sortino Ratio Rank: 2222
Sortino Ratio Rank
BGEIX Omega Ratio Rank: 2727
Omega Ratio Rank
BGEIX Calmar Ratio Rank: 2222
Calmar Ratio Rank
BGEIX Martin Ratio Rank: 1919
Martin Ratio Rank
VMFXX

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

BGEIX vs. VMFXX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Global Gold Fund (BGEIX) and Vanguard Federal Money Market Fund (VMFXX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

BGEIXVMFXXDifference
Sharpe ratioReturn per unit of total volatility
1.13
3.67

-2.55

Sortino ratioReturn per unit of downside risk
1.55

—

—

Omega ratioGain probability vs. loss probability

1.22

—

—

Calmar ratioReturn relative to maximum drawdown

1.37

—

—

Martin ratioReturn relative to average drawdown

3.91

—

—

BGEIX vs. VMFXX - Sharpe Ratio Comparison

The current BGEIX Sharpe Ratio is 1.13, which is lower than the VMFXX Sharpe Ratio of 3.67. The chart below compares the historical Sharpe Ratios of BGEIX and VMFXX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

BGEIX vs. VMFXX - Drawdown Comparison

The maximum BGEIX drawdown since its inception was -78.69%, which is greater than VMFXX's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for BGEIX and VMFXX.

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Drawdown Indicators

BGEIXVMFXXDifference

Max Drawdown

Largest peak-to-trough decline

-78.69%

0.00%

-78.69%

Max Drawdown (1Y)

Largest decline over 1 year

-36.12%

0.00%

-36.12%

Max Drawdown (3Y)

Largest decline over 3 years

-36.12%

0.00%

-36.12%

Max Drawdown (5Y)

Largest decline over 5 years

-46.62%

0.00%

-46.62%

Max Drawdown (10Y)

Largest decline over 10 years

-51.92%

—

—

Current Drawdown

Current decline from peak

-32.52%

0.00%

-32.52%

Average Drawdown

Average peak-to-trough decline

-35.15%

0.00%

-35.15%

Ulcer Index

Depth and duration of drawdowns from previous peaks

12.64%

0.00%

+12.64%

Volatility

BGEIX vs. VMFXX - Volatility Comparison

American Century Global Gold Fund (BGEIX) has a higher volatility of 15.75% compared to Vanguard Federal Money Market Fund (VMFXX) at 0.30%. This indicates that BGEIX's price experiences larger fluctuations and is considered to be riskier than VMFXX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

BGEIXVMFXXDifference

Volatility (1M)

Calculated over the trailing 1-month period

15.75%

0.30%

+15.45%

Volatility (6M)

Calculated over the trailing 6-month period

36.73%

0.79%

+35.94%

Volatility (1Y)

Calculated over the trailing 1-year period

43.93%

1.12%

+42.81%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

33.96%

0.94%

+33.02%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

33.42%

0.94%

+32.48%

BGEIX vs. VMFXX - Expense Ratio Comparison

BGEIX has a 0.65% expense ratio, which is higher than VMFXX's 0.11% expense ratio.

Dividends

BGEIX vs. VMFXX - Dividend Comparison

BGEIX's dividend yield for the trailing twelve months is around 1.25%, less than VMFXX's 3.87% yield.

PositionTTM2025202420232022202120202019201820172016
BGEIX
American Century Global Gold Fund		1.25%0.85%1.36%1.56%1.38%2.13%0.56%0.87%0.00%0.00%10.56%
VMFXX
Vanguard Federal Money Market Fund		3.87%4.14%1.63%4.53%0.00%0.00%0.00%0.00%0.00%0.00%0.00%

Frequently Asked Questions

BGEIX and VMFXX have a correlation of 0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

BGEIX has higher volatility (15.75%) compared to VMFXX (0.30%). In terms of maximum drawdown, BGEIX dropped -78.69% vs VMFXX's 0.00%.

VMFXX currently has the higher Sharpe Ratio (3.67 vs 1.13), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.

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