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AMCPX vs. FXAIX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between AMCPX and FXAIX is 0.94, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.


-0.50.00.51.00.9

Performance

AMCPX vs. FXAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds AMCAP Fund Class A (AMCPX) and Fidelity 500 Index Fund (FXAIX). The values are adjusted to include any dividend payments, if applicable.

-5.00%0.00%5.00%10.00%AugustSeptemberOctoberNovemberDecember2025
3.21%
9.61%
AMCPX
FXAIX

Key characteristics

Sharpe Ratio

AMCPX:

1.01

FXAIX:

2.20

Sortino Ratio

AMCPX:

1.36

FXAIX:

2.91

Omega Ratio

AMCPX:

1.19

FXAIX:

1.40

Calmar Ratio

AMCPX:

0.84

FXAIX:

3.35

Martin Ratio

AMCPX:

4.78

FXAIX:

13.95

Ulcer Index

AMCPX:

3.32%

FXAIX:

2.03%

Daily Std Dev

AMCPX:

15.68%

FXAIX:

12.85%

Max Drawdown

AMCPX:

-52.11%

FXAIX:

-33.79%

Current Drawdown

AMCPX:

-7.16%

FXAIX:

-0.53%

Returns By Period

In the year-to-date period, AMCPX achieves a 3.21% return, which is significantly higher than FXAIX's 2.91% return. Over the past 10 years, AMCPX has underperformed FXAIX with an annualized return of 5.29%, while FXAIX has yielded a comparatively higher 13.48% annualized return.


AMCPX

YTD

3.21%

1M

2.25%

6M

3.20%

1Y

13.97%

5Y*

5.20%

10Y*

5.29%

FXAIX

YTD

2.91%

1M

2.09%

6M

9.61%

1Y

26.43%

5Y*

14.56%

10Y*

13.48%

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


AMCPX vs. FXAIX - Expense Ratio Comparison

AMCPX has a 0.65% expense ratio, which is higher than FXAIX's 0.02% expense ratio.


AMCPX
American Funds AMCAP Fund Class A
Expense ratio chart for AMCPX: current value at 0.65% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.65%
Expense ratio chart for FXAIX: current value at 0.02% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.02%

Risk-Adjusted Performance

AMCPX vs. FXAIX — Risk-Adjusted Performance Rank

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

AMCPX
The Risk-Adjusted Performance Rank of AMCPX is 5151
Overall Rank
The Sharpe Ratio Rank of AMCPX is 4848
Sharpe Ratio Rank
The Sortino Ratio Rank of AMCPX is 4646
Sortino Ratio Rank
The Omega Ratio Rank of AMCPX is 4848
Omega Ratio Rank
The Calmar Ratio Rank of AMCPX is 5656
Calmar Ratio Rank
The Martin Ratio Rank of AMCPX is 5555
Martin Ratio Rank

FXAIX
The Risk-Adjusted Performance Rank of FXAIX is 8989
Overall Rank
The Sharpe Ratio Rank of FXAIX is 8989
Sharpe Ratio Rank
The Sortino Ratio Rank of FXAIX is 8888
Sortino Ratio Rank
The Omega Ratio Rank of FXAIX is 8888
Omega Ratio Rank
The Calmar Ratio Rank of FXAIX is 9191
Calmar Ratio Rank
The Martin Ratio Rank of FXAIX is 9292
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

AMCPX vs. FXAIX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds AMCAP Fund Class A (AMCPX) and Fidelity 500 Index Fund (FXAIX). 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.


Sharpe ratio
The chart of Sharpe ratio for AMCPX, currently valued at 1.01, compared to the broader market-1.000.001.002.003.004.001.012.20
The chart of Sortino ratio for AMCPX, currently valued at 1.36, compared to the broader market0.005.0010.001.362.91
The chart of Omega ratio for AMCPX, currently valued at 1.19, compared to the broader market1.002.003.004.001.191.40
The chart of Calmar ratio for AMCPX, currently valued at 0.84, compared to the broader market0.005.0010.0015.0020.000.843.35
The chart of Martin ratio for AMCPX, currently valued at 4.78, compared to the broader market0.0020.0040.0060.0080.00100.004.7813.95
AMCPX
FXAIX

The current AMCPX Sharpe Ratio is 1.01, which is lower than the FXAIX Sharpe Ratio of 2.20. The chart below compares the historical Sharpe Ratios of AMCPX and FXAIX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio1.001.502.002.503.003.50AugustSeptemberOctoberNovemberDecember2025
1.01
2.20
AMCPX
FXAIX

Dividends

AMCPX vs. FXAIX - Dividend Comparison

AMCPX's dividend yield for the trailing twelve months is around 0.37%, less than FXAIX's 1.21% yield.


TTM20242023202220212020201920182017201620152014
AMCPX
American Funds AMCAP Fund Class A
0.37%0.39%0.57%0.00%0.00%0.19%0.53%0.64%0.41%0.44%3.70%3.29%
FXAIX
Fidelity 500 Index Fund
1.21%1.25%1.45%1.69%1.22%1.60%1.95%2.07%1.81%2.01%4.15%3.95%

Drawdowns

AMCPX vs. FXAIX - Drawdown Comparison

The maximum AMCPX drawdown since its inception was -52.11%, which is greater than FXAIX's maximum drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for AMCPX and FXAIX. For additional features, visit the drawdowns tool.


-15.00%-10.00%-5.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-7.16%
-0.53%
AMCPX
FXAIX

Volatility

AMCPX vs. FXAIX - Volatility Comparison

American Funds AMCAP Fund Class A (AMCPX) and Fidelity 500 Index Fund (FXAIX) have volatilities of 5.37% and 5.14%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.


2.00%3.00%4.00%5.00%6.00%7.00%8.00%AugustSeptemberOctoberNovemberDecember2025
5.37%
5.14%
AMCPX
FXAIX
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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