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RERGX vs. VUSXX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

RERGX vs. VUSXX

Last updated Jun 13, 2026

RERGX (American Funds EUPAC Fund Class R-6) and VUSXX (Vanguard Treasury Money Market Fund) are both mutual funds - RERGX is a Foreign Large Cap Equities fund actively managed by American Funds, while VUSXX is a Money Market fund actively managed by Vanguard. Both are actively managed. Over the past 5 years, RERGX returned 4.58%/yr vs 1.56%/yr for VUSXX. At a correlation of -0.01, they often move in opposite directions. RERGX charges 0.47%/yr vs 0.07%/yr for VUSXX.

Performance

RERGX vs. VUSXX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds EUPAC Fund Class R-6 (RERGX) and Vanguard Treasury Money Market Fund (VUSXX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, RERGX achieves a 9.59% return, which is significantly higher than VUSXX's 1.51% return.

RERGX

1D
3.38%
1M
3.35%
YTD
9.59%
6M
11.78%
1Y
25.32%
3Y*
14.88%
5Y*
4.58%
10Y*
9.31%

VUSXX

1D
0.00%
1M
0.31%
YTD
1.51%
6M
1.84%
1Y
3.98%
3Y*
2.61%
5Y*
1.56%
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

RERGX vs. VUSXX - Yearly Performance Comparison

2026 (YTD)20252024202320222021
RERGX
American Funds EUPAC Fund Class R-6		9.59%29.34%3.00%16.11%-22.77%-1.31%
VUSXX
Vanguard Treasury Money Market Fund		1.51%4.25%1.65%0.43%0.00%0.00%

Correlation

The correlation between RERGX and VUSXX is -0.01, 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

-0.01

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

-0.03

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

-0.01

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

-0.01

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American Funds EUPAC Fund Class R-6

Vanguard Treasury Money Market Fund

Often compared with RERGX:
RERGX vs. FSPSXRERGX vs. FTIHXRERGX vs. DODFXRERGX vs. VTMNXRERGX vs. VTRIXRERGX vs. FSGGXRERGX vs. RNWGX
Often compared with VUSXX:
VUSXX vs. VMFXXVUSXX vs. SGOVVUSXX vs. VMRXXVUSXX vs. VBILVUSXX vs. VGSHVUSXX vs. USFRVUSXX vs. VOO

Return for Risk

RERGX vs. VUSXX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
RERGX
RERGX Risk / Return Rank: 4040
Overall Rank
RERGX Sharpe Ratio Rank: 4141
Sharpe Ratio Rank
RERGX Sortino Ratio Rank: 4040
Sortino Ratio Rank
RERGX Omega Ratio Rank: 4343
Omega Ratio Rank
RERGX Calmar Ratio Rank: 3838
Calmar Ratio Rank
RERGX Martin Ratio Rank: 4040
Martin Ratio Rank
VUSXX

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.

RERGX vs. VUSXX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds EUPAC Fund Class R-6 (RERGX) and Vanguard Treasury Money Market Fund (VUSXX). 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.

RERGXVUSXXDifference
Sharpe ratioReturn per unit of total volatility
1.47
3.68

-2.21

Sortino ratioReturn per unit of downside risk
2.09

—

—

Omega ratioGain probability vs. loss probability

1.28

—

—

Calmar ratioReturn relative to maximum drawdown

1.92

—

—

Martin ratioReturn relative to average drawdown

7.13

—

—

RERGX vs. VUSXX - Sharpe Ratio Comparison

The current RERGX Sharpe Ratio is 1.47, which is lower than the VUSXX Sharpe Ratio of 3.68. The chart below compares the historical Sharpe Ratios of RERGX and VUSXX, 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

RERGX vs. VUSXX - Drawdown Comparison

The maximum RERGX drawdown since its inception was -37.30%, which is greater than VUSXX's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for RERGX and VUSXX.

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Drawdown Indicators

RERGXVUSXXDifference

Max Drawdown

Largest peak-to-trough decline

-37.30%

0.00%

-37.30%

Max Drawdown (1Y)

Largest decline over 1 year

-12.52%

0.00%

-12.52%

Max Drawdown (3Y)

Largest decline over 3 years

-15.62%

0.00%

-15.62%

Max Drawdown (5Y)

Largest decline over 5 years

-37.30%

0.00%

-37.30%

Max Drawdown (10Y)

Largest decline over 10 years

-37.30%

—

—

Current Drawdown

Current decline from peak

-2.44%

0.00%

-2.44%

Average Drawdown

Average peak-to-trough decline

-9.20%

0.00%

-9.20%

Ulcer Index

Depth and duration of drawdowns from previous peaks

3.37%

0.00%

+3.37%

Volatility

RERGX vs. VUSXX - Volatility Comparison

American Funds EUPAC Fund Class R-6 (RERGX) has a higher volatility of 7.18% compared to Vanguard Treasury Money Market Fund (VUSXX) at 0.31%. This indicates that RERGX's price experiences larger fluctuations and is considered to be riskier than VUSXX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

RERGXVUSXXDifference

Volatility (1M)

Calculated over the trailing 1-month period

7.18%

0.31%

+6.87%

Volatility (6M)

Calculated over the trailing 6-month period

14.16%

0.79%

+13.37%

Volatility (1Y)

Calculated over the trailing 1-year period

16.42%

1.12%

+15.30%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

16.86%

0.75%

+16.11%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

17.01%

0.74%

+16.27%

RERGX vs. VUSXX - Expense Ratio Comparison

RERGX has a 0.47% expense ratio, which is higher than VUSXX's 0.07% expense ratio.

Dividends

RERGX vs. VUSXX - Dividend Comparison

RERGX's dividend yield for the trailing twelve months is around 10.22%, more than VUSXX's 3.89% yield.

PositionTTM20252024202320222021202020192018201720162015
RERGX
American Funds EUPAC Fund Class R-6		10.22%13.95%4.96%3.95%2.02%10.19%0.41%3.14%3.17%4.99%1.64%3.43%
VUSXX
Vanguard Treasury Money Market Fund		3.89%4.15%1.63%0.43%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%

Frequently Asked Questions

RERGX and VUSXX have a correlation of -0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

RERGX has higher volatility (7.18%) compared to VUSXX (0.31%). In terms of maximum drawdown, RERGX dropped -37.30% vs VUSXX's 0.00%.

VUSXX currently has the higher Sharpe Ratio (3.68 vs 1.47), 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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