NWFFX vs. RERGX

Last updated Jun 25, 2026

NWFFX (American Funds New World Fund Class F-1) and RERGX (American Funds EUPAC Fund Class R-6) are both mutual funds - NWFFX is a Emerging Markets Diversified fund actively managed by American Funds, while RERGX is a Foreign Large Cap Equities fund actively managed by American Funds. Both are actively managed. Over the past 10 years, NWFFX returned 11.15%/yr vs 9.61%/yr for RERGX. With a 0.95 correlation, they move nearly in lockstep. NWFFX charges 0.96%/yr vs 0.47%/yr for RERGX.

Performance

NWFFX vs. RERGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds New World Fund Class F-1 (NWFFX) and American Funds EUPAC Fund Class R-6 (RERGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NWFFX achieves a 15.04% return, which is significantly higher than RERGX's 10.30% return. Over the past 10 years, NWFFX has outperformed RERGX with an annualized return of 11.15%, while RERGX has yielded a comparatively lower 9.61% annualized return.

NWFFX

• 1D: -3.01%
• 1M: 2.39%
• YTD: 15.04%
• 6M: 15.08%
• 1Y: 29.74%
• 3Y*: 18.26%
• 5Y*: 6.11%
• 10Y*: 11.15%

RERGX

• 1D: -2.88%
• 1M: 1.69%
• YTD: 10.30%
• 6M: 10.44%
• 1Y: 24.92%
• 3Y*: 15.71%
• 5Y*: 4.75%
• 10Y*: 9.61%

*Multi-year figures are annualized to reflect compound growth (CAGR)

NWFFX vs. RERGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NWFFX American Funds New World Fund Class F-1	15.04%	28.17%	6.46%	15.80%	-22.08%	4.69%	24.81%	27.54%	-12.34%	32.56%
RERGX American Funds EUPAC Fund Class R-6	10.30%	29.34%	3.00%	16.11%	-22.77%	2.84%	25.27%	27.40%	-17.33%	31.19%

Correlation

The correlation between NWFFX and RERGX is 0.92, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.92
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (10Y) Calculated over the trailing 10-year period	0.95
Correlation (All Time) Calculated using the full available price history since Jan 4, 2010	0.95

The correlation between NWFFX and RERGX has been stable across timeframes, ranging from 0.92 to 0.95 - a consistent structural relationship.

Return for Risk

NWFFX vs. RERGX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

NWFFX

NWFFX Risk / Return Rank: 61
NWFFX Sharpe Ratio Rank: 65
NWFFX Sortino Ratio Rank: 60
NWFFX Omega Ratio Rank: 69
NWFFX Calmar Ratio Rank: 55
NWFFX Martin Ratio Rank: 57

RERGX

RERGX Risk / Return Rank: 38
RERGX Sharpe Ratio Rank: 37
RERGX Sortino Ratio Rank: 35
RERGX Omega Ratio Rank: 39
RERGX Calmar Ratio Rank: 37
RERGX Martin Ratio Rank: 40

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.

NWFFX vs. RERGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds New World Fund Class F-1 (NWFFX) and American Funds EUPAC Fund Class R-6 (RERGX). 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.

	NWFFX	RERGX	Difference
Sharpe ratio: Return per unit of total volatility	1.98	1.63	+0.35
Sortino ratio: Return per unit of downside risk	2.68	2.29	+0.40
Omega ratio: Gain probability vs. loss probability	1.38	1.31	+0.08
Calmar ratio: Return relative to maximum drawdown	2.51	2.18	+0.32
Martin ratio: Return relative to average drawdown	9.99	8.11	+1.89

NWFFX vs. RERGX - Sharpe Ratio Comparison

The current NWFFX Sharpe Ratio is 1.98, which is comparable to the RERGX Sharpe Ratio of 1.63. The chart below compares the historical Sharpe Ratios of NWFFX and RERGX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

NWFFX vs. RERGX - Drawdown Comparison

The maximum NWFFX drawdown since its inception was -56.72%, which is greater than RERGX's maximum drawdown of -37.30%. Use the drawdown chart below to compare losses from any high point for NWFFX and RERGX.

Drawdown Indicators

	NWFFX	RERGX	Difference
Max Drawdown Largest peak-to-trough decline	-56.72%	-37.30%	-19.42%
Max Drawdown (1Y) Largest decline over 1 year	-13.03%	-12.52%	-0.51%
Max Drawdown (3Y) Largest decline over 3 years	-15.18%	-15.62%	+0.44%
Max Drawdown (5Y) Largest decline over 5 years	-33.69%	-37.30%	+3.61%
Max Drawdown (10Y) Largest decline over 10 years	-33.69%	-37.30%	+3.61%
Current Drawdown Current decline from peak	-3.01%	-2.88%	-0.13%
Average Drawdown Average peak-to-trough decline	-9.75%	-9.18%	-0.57%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.26%	3.36%	-0.10%

Volatility

NWFFX vs. RERGX - Volatility Comparison

American Funds New World Fund Class F-1 (NWFFX) has a higher volatility of 8.24% compared to American Funds EUPAC Fund Class R-6 (RERGX) at 7.41%. This indicates that NWFFX's price experiences larger fluctuations and is considered to be riskier than RERGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NWFFX	RERGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.24%	7.41%	+0.83%
Volatility (6M) Calculated over the trailing 6-month period	14.61%	14.57%	+0.04%
Volatility (1Y) Calculated over the trailing 1-year period	16.49%	16.73%	-0.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.78%	16.94%	-1.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.23%	16.88%	-0.65%

NWFFX vs. RERGX - Expense Ratio Comparison

NWFFX has a 0.96% expense ratio, which is higher than RERGX's 0.47% expense ratio.

Dividends

NWFFX vs. RERGX - Dividend Comparison

NWFFX's dividend yield for the trailing twelve months is around 5.00%, less than RERGX's 16.65% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NWFFX American Funds New World Fund Class F-1	5.00%	5.75%	3.70%	2.48%	0.88%	6.95%	0.10%	3.70%	2.22%	1.92%	0.93%	0.65%
RERGX American Funds EUPAC Fund Class R-6	16.65%	13.95%	4.96%	3.95%	2.02%	10.19%	0.41%	3.14%	3.17%	4.99%	1.64%	3.43%

Frequently Asked Questions

Can I hold both NWFFX and RERGX in my portfolio?

With a correlation of 0.92, NWFFX and RERGX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, NWFFX or RERGX?

NWFFX has higher volatility (8.24%) compared to RERGX (7.41%). In terms of maximum drawdown, NWFFX dropped -56.72% vs RERGX's -37.30%.

Which has better risk-adjusted returns?

NWFFX currently has the higher Sharpe Ratio (1.98 vs 1.63), 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.