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AMECX vs. BRMKX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

Performance

AMECX vs. BRMKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds The Income Fund of America Class A (AMECX) and iShares Russell Mid-Cap Index Fund (BRMKX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, AMECX achieves a 6.34% return, which is significantly lower than BRMKX's 12.81% return. Over the past 10 years, AMECX has underperformed BRMKX with an annualized return of 8.51%, while BRMKX has yielded a comparatively higher 11.68% annualized return.


AMECX

1D
0.33%
1M
0.95%
YTD
6.34%
6M
7.37%
1Y
15.78%
3Y*
13.76%
5Y*
7.77%
10Y*
8.51%

BRMKX

1D
0.69%
1M
4.12%
YTD
12.81%
6M
12.55%
1Y
22.09%
3Y*
17.50%
5Y*
8.37%
10Y*
11.68%
*Multi-year figures are annualized to reflect compound growth (CAGR)

AMECX vs. BRMKX - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
AMECX
American Funds The Income Fund of America Class A
6.34%17.77%10.84%6.79%-6.40%17.37%4.49%18.50%-5.27%12.58%
BRMKX
iShares Russell Mid-Cap Index Fund
12.81%10.48%15.28%17.30%-17.22%22.52%17.17%30.47%-9.09%17.74%

Correlation

The correlation between AMECX and BRMKX is 0.79, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.


Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.79

Correlation (3Y)
Calculated over the trailing 3-year period

0.84

Correlation (5Y)
Calculated over the trailing 5-year period

0.86

Correlation (10Y)
Calculated over the trailing 10-year period

0.86

Correlation (All Time)
Calculated using the full available price history since Jan 5, 2016

0.87

The correlation between AMECX and BRMKX has been stable across timeframes, ranging from 0.79 to 0.87 - a consistent structural relationship.

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Return for Risk

AMECX vs. BRMKX — Risk / Return Rank

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

AMECX
AMECX Risk / Return Rank: 5353
Overall Rank
AMECX Sharpe Ratio Rank: 5858
Sharpe Ratio Rank
AMECX Sortino Ratio Rank: 5656
Sortino Ratio Rank
AMECX Omega Ratio Rank: 5555
Omega Ratio Rank
AMECX Calmar Ratio Rank: 4747
Calmar Ratio Rank
AMECX Martin Ratio Rank: 4848
Martin Ratio Rank

BRMKX
BRMKX Risk / Return Rank: 4343
Overall Rank
BRMKX Sharpe Ratio Rank: 3737
Sharpe Ratio Rank
BRMKX Sortino Ratio Rank: 3636
Sortino Ratio Rank
BRMKX Omega Ratio Rank: 3434
Omega Ratio Rank
BRMKX Calmar Ratio Rank: 5656
Calmar Ratio Rank
BRMKX Martin Ratio Rank: 5454
Martin Ratio Rank
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.

AMECX vs. BRMKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds The Income Fund of America Class A (AMECX) and iShares Russell Mid-Cap Index Fund (BRMKX). 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.


AMECXBRMKXDifference
Sharpe ratioReturn per unit of total volatility

+0.50

Sortino ratioReturn per unit of downside risk

+0.65

Omega ratioGain probability vs. loss probability

1.41

1.30

+0.11

Calmar ratioReturn relative to maximum drawdown

2.62

2.87

-0.25

Martin ratioReturn relative to average drawdown

9.88

11.07

-1.20

AMECX vs. BRMKX - Sharpe Ratio Comparison

The current AMECX Sharpe Ratio is 2.24, which is comparable to the BRMKX Sharpe Ratio of 1.75. The chart below compares the historical Sharpe Ratios of AMECX and BRMKX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.


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Sharpe Ratios by Period


AMECXBRMKXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.24

1.75

+0.50

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.83

0.46

+0.36

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.80

0.61

+0.19

Sharpe Ratio (All Time)

Calculated using the full available price history

0.72

0.62

+0.10

Drawdowns

AMECX vs. BRMKX - Drawdown Comparison

The maximum AMECX drawdown since its inception was -41.92%, roughly equal to the maximum BRMKX drawdown of -40.20%. Use the drawdown chart below to compare losses from any high point for AMECX and BRMKX.


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Drawdown Indicators


AMECXBRMKXDifference

Max Drawdown

Largest peak-to-trough decline

-41.92%

-40.20%

-1.72%

Max Drawdown (1Y)

Largest decline over 1 year

-6.13%

-8.17%

+2.04%

Max Drawdown (3Y)

Largest decline over 3 years

-8.58%

-21.07%

+12.49%

Max Drawdown (5Y)

Largest decline over 5 years

-15.78%

-26.04%

+10.26%

Max Drawdown (10Y)

Largest decline over 10 years

-26.13%

-40.20%

+14.07%

Current Drawdown

Current decline from peak

-1.23%

0.00%

-1.23%

Average Drawdown

Average peak-to-trough decline

-4.45%

-5.65%

+1.20%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.62%

2.11%

-0.49%

Volatility

AMECX vs. BRMKX - Volatility Comparison

The current volatility for American Funds The Income Fund of America Class A (AMECX) is 2.06%, while iShares Russell Mid-Cap Index Fund (BRMKX) has a volatility of 3.31%. This indicates that AMECX experiences smaller price fluctuations and is considered to be less risky than BRMKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


AMECXBRMKXDifference

Volatility (1M)

Calculated over the trailing 1-month period

2.06%

3.31%

-1.25%

Volatility (6M)

Calculated over the trailing 6-month period

5.63%

9.93%

-4.30%

Volatility (1Y)

Calculated over the trailing 1-year period

7.17%

13.42%

-6.25%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

9.45%

18.24%

-8.79%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

10.68%

19.32%

-8.64%

AMECX vs. BRMKX - Expense Ratio Comparison

AMECX has a 0.56% expense ratio, which is higher than BRMKX's 0.06% expense ratio.


Dividends

AMECX vs. BRMKX - Dividend Comparison

AMECX's dividend yield for the trailing twelve months is around 9.41%, more than BRMKX's 5.28% yield.


PositionTTM20252024202320222021202020192018201720162015
AMECX
American Funds The Income Fund of America Class A
9.41%9.94%6.38%2.93%6.98%6.67%2.80%5.01%7.48%4.26%3.09%5.09%
BRMKX
iShares Russell Mid-Cap Index Fund
5.28%5.92%6.43%3.02%3.67%4.07%2.86%3.95%3.87%19.24%2.11%0.00%

Frequently Asked Questions


AMECX and BRMKX have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

BRMKX has higher volatility (3.31%) compared to AMECX (2.06%). In terms of maximum drawdown, AMECX dropped -41.92% vs BRMKX's -40.20%.

AMECX currently has the higher Sharpe Ratio (2.24 vs 1.75), 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.

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