CPGAX vs. AMCPX
CPGAX (American Funds Global Growth Portfolio) and AMCPX (American Funds AMCAP Fund Class A) are both mutual funds - CPGAX is a Global Equities fund managed by American Funds, while AMCPX is a Large Cap Growth Equities fund actively managed by American Funds. Over the past 10 years, CPGAX returned 11.73%/yr vs 11.82%/yr for AMCPX. Their correlation of 0.94 means they have usually moved in the same direction. CPGAX charges 0.40%/yr vs 0.64%/yr for AMCPX.
Performance
CPGAX vs. AMCPX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, CPGAX achieves a 8.96% return, which is significantly higher than AMCPX's 2.86% return. Both investments have delivered pretty close results over the past 10 years, with CPGAX having a 11.73% annualized return and AMCPX not far ahead at 11.82%.
CPGAX
- 1D
- 2.62%
- 1M
- -2.39%
- 6M
- 5.34%
- YTD
- 8.96%
- 1Y
- 21.09%
- 3Y*
- 16.89%
- 5Y*
- 7.80%
- 10Y*
- 11.73%
- ALL TIME*
- 11.49%
AMCPX
- 1D
- 1.01%
- 1M
- -2.85%
- 6M
- 2.62%
- YTD
- 2.86%
- 1Y
- 11.19%
- 3Y*
- 15.89%
- 5Y*
- 7.45%
- 10Y*
- 11.82%
- ALL TIME*
- 9.63%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
CPGAX vs. AMCPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CPGAX American Funds Global Growth Portfolio | 8.96% | 22.99% | 14.81% | 24.05% | -25.77% | 12.89% | 27.36% | 27.87% | -8.99% | 28.56% |
AMCPX American Funds AMCAP Fund Class A | 2.86% | 17.68% | 21.11% | 31.04% | -28.67% | 20.57% | 21.42% | 26.35% | -4.42% | 22.08% |
Correlation
The correlation between CPGAX and AMCPX is 0.91, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.91 |
Correlation (3Y) Balances recent behavior with more history. | 0.94 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.95 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.94 |
Correlation (All Time) Calculated using the full available price history since May 21, 2012 | 0.94 |
The correlation between CPGAX and AMCPX has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
CPGAX vs. AMCPX — Risk / Return Rank
CPGAX
AMCPX
CPGAX vs. AMCPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Funds Global Growth Portfolio (CPGAX) and American Funds AMCAP Fund Class A (AMCPX). 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.
| CPGAX | AMCPX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.60 | ||
| Sortino ratioReturn per unit of downside risk | +0.81 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.11 | +0.11 |
| Calmar ratioReturn relative to maximum drawdown | 1.68 | 0.64 | +1.05 |
| Martin ratioReturn relative to average drawdown | 6.86 | 2.46 | +4.40 |
Loading charts...
Drawdowns
CPGAX vs. AMCPX - Drawdown Comparison
The maximum CPGAX drawdown since its inception was -34.42%, smaller than the maximum AMCPX drawdown of -62.37%. Use the drawdown chart below to compare losses from any high point for CPGAX and AMCPX.
Loading charts...
Drawdown Indicators
| CPGAX | AMCPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -34.42% | -62.37% | +27.95% |
Max Drawdown (1Y)Largest decline over 1 year | -11.33% | -14.18% | +2.85% |
Max Drawdown (3Y)Largest decline over 3 years | -17.99% | -19.71% | +1.72% |
Max Drawdown (5Y)Largest decline over 5 years | -34.42% | -36.90% | +2.48% |
Max Drawdown (10Y)Largest decline over 10 years | -34.42% | -36.90% | +2.48% |
Current DrawdownCurrent decline from peak | -4.03% | -4.02% | -0.01% |
Average DrawdownAverage peak-to-trough decline | -5.89% | -9.56% | +3.67% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.78% | 3.67% | -0.89% |
Volatility
CPGAX vs. AMCPX - Volatility Comparison
American Funds Global Growth Portfolio (CPGAX) has a higher volatility of 5.24% compared to American Funds AMCAP Fund Class A (AMCPX) at 3.77%. This indicates that CPGAX's price experiences larger fluctuations and is considered to be riskier than AMCPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| CPGAX | AMCPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.24% | 3.77% | +1.47% |
Volatility (6M)Calculated over the trailing 6-month period | 13.76% | 12.54% | +1.22% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.21% | 15.72% | +0.49% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.39% | 19.41% | -2.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.32% | 18.75% | -1.43% |
CPGAX vs. AMCPX - Expense Ratio Comparison
CPGAX has a 0.40% expense ratio, which is lower than AMCPX's 0.64% expense ratio.
Dividends
CPGAX vs. AMCPX - Dividend Comparison
CPGAX's dividend yield for the trailing twelve months is around 5.13%, less than AMCPX's 12.95% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AMCPX American Funds AMCAP Fund Class A | 12.95% | 8.73% | 8.19% | 3.26% | 7.54% | 3.43% | 3.88% | 4.90% | 7.84% | 5.37% | 3.81% | 8.86% |
CPGAX American Funds Global Growth Portfolio | 5.13% | 5.59% | 4.29% | 0.92% | 7.95% | 3.33% | 0.77% | 4.89% | 5.69% | 6.21% | 3.66% | 3.92% |
Frequently Asked Questions
With a correlation of 0.91, CPGAX and AMCPX 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.
CPGAX has higher volatility (5.24%) compared to AMCPX (3.77%). In terms of maximum drawdown, CPGAX dropped -34.42% vs AMCPX's -62.37%.
CPGAX currently has the higher Sharpe Ratio (1.18 vs 0.57), 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.
Find the right allocation for CPGAX and AMCPX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer