RNGCX vs. CPGAX

Last updated Jul 11, 2026

RNGCX (American Funds The New Economy Fund Class R-3) and CPGAX (American Funds Global Growth Portfolio) are both Global Equities funds. Over the past 10 years, RNGCX returned 15.67%/yr vs 12.37%/yr for CPGAX. With a 0.95 correlation, they move nearly in lockstep. RNGCX charges 1.05%/yr vs 0.40%/yr for CPGAX.

Performance

RNGCX vs. CPGAX - 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 Global Growth Portfolio (CPGAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RNGCX achieves a 20.34% return, which is significantly higher than CPGAX's 12.00% return. Over the past 10 years, RNGCX has outperformed CPGAX with an annualized return of 15.67%, while CPGAX has yielded a comparatively lower 12.37% annualized return.

RNGCX

• 1D: 1.18%
• 1M: 2.30%
• 6M: 15.45%
• YTD: 20.34%
• 1Y: 41.57%
• 3Y*: 28.67%
• 5Y*: 12.42%
• 10Y*: 15.67%

CPGAX

• 1D: 0.96%
• 1M: 1.31%
• 6M: 8.05%
• YTD: 12.00%
• 1Y: 22.95%
• 3Y*: 19.64%
• 5Y*: 8.37%
• 10Y*: 12.37%

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

RNGCX vs. CPGAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RNGCX American Funds The New Economy Fund Class R-3	20.34%	30.60%	23.19%	28.77%	-29.88%	11.70%	33.05%	26.06%	-4.68%	33.90%
CPGAX American Funds Global Growth Portfolio	12.00%	22.99%	14.81%	24.05%	-25.77%	12.89%	27.36%	27.87%	-8.99%	28.56%

Correlation

The correlation between RNGCX and CPGAX is 0.95 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.95
Correlation (3Y) Calculated over the trailing 3-year period	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since May 21, 2012	0.95

The correlation between RNGCX and CPGAX has been stable across timeframes, ranging from 0.95 to 0.96 - a consistent structural relationship.

Return for Risk

RNGCX vs. CPGAX — Risk / Return Rank

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

RNGCX

RNGCX Risk / Return Rank: 80
RNGCX Sharpe Ratio Rank: 82
RNGCX Sortino Ratio Rank: 73
RNGCX Omega Ratio Rank: 75
RNGCX Calmar Ratio Rank: 83
RNGCX Martin Ratio Rank: 88

CPGAX

CPGAX Risk / Return Rank: 44
CPGAX Sharpe Ratio Rank: 42
CPGAX Sortino Ratio Rank: 41
CPGAX Omega Ratio Rank: 42
CPGAX Calmar Ratio Rank: 42
CPGAX Martin Ratio Rank: 53

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. CPGAX - 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 Global Growth Portfolio (CPGAX). 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.

	RNGCX	CPGAX	Difference
Sharpe ratio: Return per unit of total volatility	2.13	1.44	+0.68
Sortino ratio: Return per unit of downside risk	2.74	2.04	+0.70
Omega ratio: Gain probability vs. loss probability	1.37	1.27	+0.10
Calmar ratio: Return relative to maximum drawdown	3.07	1.99	+1.08
Martin ratio: Return relative to average drawdown	13.03	8.55	+4.48

RNGCX vs. CPGAX - Sharpe Ratio Comparison

The current RNGCX Sharpe Ratio is 2.13, which is higher than the CPGAX Sharpe Ratio of 1.44. The chart below compares the historical Sharpe Ratios of RNGCX and CPGAX, 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

RNGCX vs. CPGAX - Drawdown Comparison

The maximum RNGCX drawdown since its inception was -55.54%, which is greater than CPGAX's maximum drawdown of -34.42%. Use the drawdown chart below to compare losses from any high point for RNGCX and CPGAX.

Drawdown Indicators

	RNGCX	CPGAX	Difference
Max Drawdown Largest peak-to-trough decline	-55.54%	-34.42%	-21.12%
Max Drawdown (1Y) Largest decline over 1 year	-13.41%	-11.33%	-2.08%
Max Drawdown (3Y) Largest decline over 3 years	-20.86%	-17.99%	-2.87%
Max Drawdown (5Y) Largest decline over 5 years	-37.25%	-34.42%	-2.83%
Max Drawdown (10Y) Largest decline over 10 years	-37.25%	-34.42%	-2.83%
Current Drawdown Current decline from peak	-2.80%	-1.34%	-1.46%
Average Drawdown Average peak-to-trough decline	-8.89%	-5.90%	-2.99%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.16%	2.63%	+0.53%

Volatility

RNGCX vs. CPGAX - Volatility Comparison

American Funds The New Economy Fund Class R-3 (RNGCX) has a higher volatility of 8.52% compared to American Funds Global Growth Portfolio (CPGAX) at 6.13%. This indicates that RNGCX's price experiences larger fluctuations and is considered to be riskier than CPGAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RNGCX	CPGAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.52%	6.13%	+2.39%
Volatility (6M) Calculated over the trailing 6-month period	16.14%	13.24%	+2.90%
Volatility (1Y) Calculated over the trailing 1-year period	19.37%	15.64%	+3.73%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.82%	17.32%	+2.50%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.21%	17.27%	+1.94%

RNGCX vs. CPGAX - Expense Ratio Comparison

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

Dividends

RNGCX vs. CPGAX - Dividend Comparison

RNGCX's dividend yield for the trailing twelve months is around 8.73%, more than CPGAX's 4.99% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CPGAX American Funds Global Growth Portfolio	4.99%	5.59%	4.29%	0.92%	7.95%	3.33%	0.77%	4.89%	5.69%	6.21%	3.66%	3.92%
RNGCX American Funds The New Economy Fund Class R-3	8.73%	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 CPGAX in my portfolio?

With a correlation of 0.95, RNGCX and CPGAX 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 CPGAX?

RNGCX has higher volatility (8.52%) compared to CPGAX (6.13%). In terms of maximum drawdown, RNGCX dropped -55.54% vs CPGAX's -34.42%.

Which has better risk-adjusted returns?

RNGCX currently has the higher Sharpe Ratio (2.13 vs 1.44), 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.