RNGCX vs. GFFFX

Last updated Jun 5, 2026

RNGCX (American Funds The New Economy Fund Class R-3) and GFFFX (American Funds The Growth Fund of America) are both mutual funds - RNGCX is a Global Equities fund actively managed by American Funds, while GFFFX is a Large Cap Growth Equities fund managed by American Funds. Over the past 10 years, RNGCX returned 15.70%/yr vs 16.12%/yr for GFFFX. With a 0.96 correlation, they move nearly in lockstep. RNGCX charges 1.05%/yr vs 0.40%/yr for GFFFX.

Performance

RNGCX vs. GFFFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds The New Economy Fund Class R-3 (RNGCX) and American Funds The Growth Fund of America (GFFFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RNGCX achieves a 21.88% return, which is significantly higher than GFFFX's 9.30% return. Both investments have delivered pretty close results over the past 10 years, with RNGCX having a 15.70% annualized return and GFFFX not far ahead at 16.12%.

RNGCX

• 1D: -0.69%
• 1M: 8.87%
• YTD: 21.88%
• 6M: 24.13%
• 1Y: 52.11%
• 3Y*: 29.99%
• 5Y*: 13.60%
• 10Y*: 15.70%

GFFFX

• 1D: -0.80%
• 1M: 5.23%
• YTD: 9.30%
• 6M: 8.82%
• 1Y: 24.96%
• 3Y*: 25.07%
• 5Y*: 12.31%
• 10Y*: 16.12%

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

RNGCX vs. GFFFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RNGCX American Funds The New Economy Fund Class R-3	21.88%	30.60%	23.19%	28.77%	-29.88%	11.70%	33.05%	26.06%	-4.68%	33.90%
GFFFX American Funds The Growth Fund of America	9.30%	19.96%	28.28%	37.51%	-30.61%	19.55%	38.16%	28.43%	-2.96%	26.38%

Correlation

The correlation between RNGCX and GFFFX is 0.93, 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	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.97
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Jan 5, 2009	0.96

The correlation between RNGCX and GFFFX has been stable across timeframes, ranging from 0.93 to 0.97 - a consistent structural relationship.

Return for Risk

RNGCX vs. GFFFX — Risk / Return Rank

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

RNGCX

RNGCX Risk / Return Rank: 87
RNGCX Sharpe Ratio Rank: 93
RNGCX Sortino Ratio Rank: 83
RNGCX Omega Ratio Rank: 81
RNGCX Calmar Ratio Rank: 86
RNGCX Martin Ratio Rank: 91

GFFFX

GFFFX Risk / Return Rank: 31
GFFFX Sharpe Ratio Rank: 34
GFFFX Sortino Ratio Rank: 31
GFFFX Omega Ratio Rank: 33
GFFFX Calmar Ratio Rank: 25
GFFFX Martin Ratio Rank: 32

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.

RNGCX vs. GFFFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds The New Economy Fund Class R-3 (RNGCX) and American Funds The Growth Fund of America (GFFFX). 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.

	RNGCX	GFFFX	Difference
Sharpe ratio: Return per unit of total volatility	3.11	1.68	+1.42
Sortino ratio: Return per unit of downside risk	3.92	2.32	+1.60
Omega ratio: Gain probability vs. loss probability	1.53	1.30	+0.23
Calmar ratio: Return relative to maximum drawdown	3.99	1.86	+2.13
Martin ratio: Return relative to average drawdown	17.83	7.26	+10.56
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RNGCX vs. GFFFX - Sharpe Ratio Comparison

The current RNGCX Sharpe Ratio is 3.11, which is higher than the GFFFX Sharpe Ratio of 1.68. The chart below compares the historical Sharpe Ratios of RNGCX and GFFFX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	RNGCX	GFFFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.11	1.68	+1.42
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.71	0.61	+0.09
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.82	0.82	0.00
Sharpe Ratio (All Time) Calculated using the full available price history	0.66	0.81	-0.14

Drawdowns

RNGCX vs. GFFFX - Drawdown Comparison

The maximum RNGCX drawdown since its inception was -55.54%, which is greater than GFFFX's maximum drawdown of -36.26%. Use the drawdown chart below to compare losses from any high point for RNGCX and GFFFX.

Drawdown Indicators

	RNGCX	GFFFX	Difference
Max Drawdown Largest peak-to-trough decline	-55.54%	-36.26%	-19.28%
Max Drawdown (1Y) Largest decline over 1 year	-13.41%	-13.74%	+0.33%
Max Drawdown (3Y) Largest decline over 3 years	-20.86%	-21.55%	+0.69%
Max Drawdown (5Y) Largest decline over 5 years	-37.25%	-36.26%	-0.99%
Max Drawdown (10Y) Largest decline over 10 years	-37.25%	-36.26%	-0.99%
Current Drawdown Current decline from peak	-0.69%	-1.12%	+0.43%
Average Drawdown Average peak-to-trough decline	-8.91%	-5.57%	-3.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.99%	3.51%	-0.52%

Volatility

RNGCX vs. GFFFX - Volatility Comparison

American Funds The New Economy Fund Class R-3 (RNGCX) has a higher volatility of 5.40% compared to American Funds The Growth Fund of America (GFFFX) at 3.84%. This indicates that RNGCX's price experiences larger fluctuations and is considered to be riskier than GFFFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RNGCX	GFFFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.40%	3.84%	+1.56%
Volatility (6M) Calculated over the trailing 6-month period	13.69%	11.66%	+2.03%
Volatility (1Y) Calculated over the trailing 1-year period	17.20%	15.17%	+2.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.39%	20.25%	-0.86%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.12%	19.69%	-0.57%

RNGCX vs. GFFFX - Expense Ratio Comparison

RNGCX has a 1.05% expense ratio, which is higher than GFFFX's 0.40% expense ratio.

Dividends

RNGCX vs. GFFFX - Dividend Comparison

RNGCX's dividend yield for the trailing twelve months is around 8.62%, less than GFFFX's 10.02% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GFFFX American Funds The Growth Fund of America	10.02%	10.95%	9.23%	7.64%	4.32%	8.42%	4.51%	7.38%	12.29%	7.27%	6.87%	9.13%
RNGCX American Funds The New Economy Fund Class R-3	8.62%	10.50%	10.06%	3.87%	0.00%	7.83%	2.53%	7.21%	9.78%	8.29%	0.00%	5.89%

Frequently Asked Questions

Can I hold both RNGCX and GFFFX in my portfolio?

With a correlation of 0.93, RNGCX and GFFFX 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, RNGCX or GFFFX?

RNGCX has higher volatility (5.40%) compared to GFFFX (3.84%). In terms of maximum drawdown, RNGCX dropped -55.54% vs GFFFX's -36.26%.

Which has better risk-adjusted returns?

RNGCX currently has the higher Sharpe Ratio (3.11 vs 1.68), 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.