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

Correlation

The correlation between AMCPX and FSPSX is 0.76, 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.


Performance

AMCPX vs. FSPSX - Performance Comparison

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

120.00%140.00%160.00%180.00%200.00%220.00%December2025FebruaryMarchAprilMay
177.54%
164.89%
AMCPX
FSPSX

Key characteristics

Sharpe Ratio

AMCPX:

0.03

FSPSX:

0.67

Sortino Ratio

AMCPX:

0.18

FSPSX:

1.02

Omega Ratio

AMCPX:

1.03

FSPSX:

1.14

Calmar Ratio

AMCPX:

0.02

FSPSX:

0.82

Martin Ratio

AMCPX:

0.07

FSPSX:

2.38

Ulcer Index

AMCPX:

7.75%

FSPSX:

4.69%

Daily Std Dev

AMCPX:

21.43%

FSPSX:

16.72%

Max Drawdown

AMCPX:

-52.11%

FSPSX:

-33.69%

Current Drawdown

AMCPX:

-12.74%

FSPSX:

-0.89%

Returns By Period

In the year-to-date period, AMCPX achieves a -3.00% return, which is significantly lower than FSPSX's 13.04% return. Over the past 10 years, AMCPX has underperformed FSPSX with an annualized return of 4.19%, while FSPSX has yielded a comparatively higher 5.62% annualized return.


AMCPX

YTD

-3.00%

1M

15.11%

6M

-9.26%

1Y

0.54%

5Y*

5.56%

10Y*

4.19%

FSPSX

YTD

13.04%

1M

16.65%

6M

8.10%

1Y

11.14%

5Y*

11.87%

10Y*

5.62%

*Annualized

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AMCPX vs. FSPSX - Expense Ratio Comparison

AMCPX has a 0.65% expense ratio, which is higher than FSPSX's 0.04% expense ratio.


Risk-Adjusted Performance

AMCPX vs. FSPSX — 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 2222
Overall Rank
The Sharpe Ratio Rank of AMCPX is 2222
Sharpe Ratio Rank
The Sortino Ratio Rank of AMCPX is 2323
Sortino Ratio Rank
The Omega Ratio Rank of AMCPX is 2222
Omega Ratio Rank
The Calmar Ratio Rank of AMCPX is 2222
Calmar Ratio Rank
The Martin Ratio Rank of AMCPX is 2222
Martin Ratio Rank

FSPSX
The Risk-Adjusted Performance Rank of FSPSX is 6767
Overall Rank
The Sharpe Ratio Rank of FSPSX is 6464
Sharpe Ratio Rank
The Sortino Ratio Rank of FSPSX is 6565
Sortino Ratio Rank
The Omega Ratio Rank of FSPSX is 6464
Omega Ratio Rank
The Calmar Ratio Rank of FSPSX is 8080
Calmar Ratio Rank
The Martin Ratio Rank of FSPSX is 6464
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. FSPSX - Risk-Adjusted Performance Comparison

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


The current AMCPX Sharpe Ratio is 0.03, which is lower than the FSPSX Sharpe Ratio of 0.67. The chart below compares the historical Sharpe Ratios of AMCPX and FSPSX, 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 Ratio-1.00-0.500.000.501.001.502.002.50December2025FebruaryMarchAprilMay
0.03
0.67
AMCPX
FSPSX

Dividends

AMCPX vs. FSPSX - Dividend Comparison

AMCPX's dividend yield for the trailing twelve months is around 0.40%, less than FSPSX's 2.56% yield.


TTM20242023202220212020201920182017201620152014
AMCPX
American Funds AMCAP Fund Class A
0.40%0.39%0.57%0.00%0.00%0.19%0.53%0.64%0.41%0.44%3.70%3.29%
FSPSX
Fidelity International Index Fund
2.56%3.27%2.79%2.66%3.07%1.84%3.18%2.79%2.36%2.99%2.79%3.53%

Drawdowns

AMCPX vs. FSPSX - Drawdown Comparison

The maximum AMCPX drawdown since its inception was -52.11%, which is greater than FSPSX's maximum drawdown of -33.69%. Use the drawdown chart below to compare losses from any high point for AMCPX and FSPSX. For additional features, visit the drawdowns tool.


-25.00%-20.00%-15.00%-10.00%-5.00%0.00%December2025FebruaryMarchAprilMay
-12.74%
-0.89%
AMCPX
FSPSX

Volatility

AMCPX vs. FSPSX - Volatility Comparison

American Funds AMCAP Fund Class A (AMCPX) has a higher volatility of 11.54% compared to Fidelity International Index Fund (FSPSX) at 7.15%. This indicates that AMCPX's price experiences larger fluctuations and is considered to be riskier than FSPSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


2.00%4.00%6.00%8.00%10.00%12.00%14.00%December2025FebruaryMarchAprilMay
11.54%
7.15%
AMCPX
FSPSX