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AHMFX vs. PRFHX
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Performance

AHMFX vs. PRFHX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American High-Income Municipal Bond Fund Class F-2 (AHMFX) and T. Rowe Price Tax Free High Yield Fund (PRFHX). The values are adjusted to include any dividend payments, if applicable.

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AHMFX vs. PRFHX - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
AHMFX
American High-Income Municipal Bond Fund Class F-2
-0.48%6.03%6.45%7.04%-12.44%5.49%4.61%9.12%1.80%9.09%
PRFHX
T. Rowe Price Tax Free High Yield Fund
0.63%7.33%5.99%7.65%-14.41%6.09%3.40%9.03%0.66%7.31%

Returns By Period

In the year-to-date period, AHMFX achieves a -0.48% return, which is significantly lower than PRFHX's 0.63% return. Over the past 10 years, AHMFX has outperformed PRFHX with an annualized return of 3.39%, while PRFHX has yielded a comparatively lower 3.08% annualized return.


AHMFX

1D
0.07%
1M
-2.70%
YTD
-0.48%
6M
1.28%
1Y
4.18%
3Y*
5.44%
5Y*
1.81%
10Y*
3.39%

PRFHX

1D
0.45%
1M
-1.87%
YTD
0.63%
6M
3.44%
1Y
7.76%
3Y*
6.09%
5Y*
1.99%
10Y*
3.08%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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AHMFX vs. PRFHX - Expense Ratio Comparison

AHMFX has a 0.42% expense ratio, which is lower than PRFHX's 0.63% expense ratio.


Return for Risk

AHMFX vs. PRFHX — Risk / Return Rank

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

AHMFX
AHMFX Risk / Return Rank: 3939
Overall Rank
AHMFX Sharpe Ratio Rank: 3535
Sharpe Ratio Rank
AHMFX Sortino Ratio Rank: 3030
Sortino Ratio Rank
AHMFX Omega Ratio Rank: 6262
Omega Ratio Rank
AHMFX Calmar Ratio Rank: 3636
Calmar Ratio Rank
AHMFX Martin Ratio Rank: 3030
Martin Ratio Rank

PRFHX
PRFHX Risk / Return Rank: 6262
Overall Rank
PRFHX Sharpe Ratio Rank: 7272
Sharpe Ratio Rank
PRFHX Sortino Ratio Rank: 6868
Sortino Ratio Rank
PRFHX Omega Ratio Rank: 8585
Omega Ratio Rank
PRFHX Calmar Ratio Rank: 4545
Calmar Ratio Rank
PRFHX Martin Ratio Rank: 3939
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.

AHMFX vs. PRFHX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American High-Income Municipal Bond Fund Class F-2 (AHMFX) and T. Rowe Price Tax Free High Yield Fund (PRFHX). 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.


AHMFXPRFHXDifference

Sharpe ratio

Return per unit of total volatility

0.81

1.33

-0.53

Sortino ratio

Return per unit of downside risk

1.10

1.78

-0.68

Omega ratio

Gain probability vs. loss probability

1.24

1.36

-0.12

Calmar ratio

Return relative to maximum drawdown

0.99

1.23

-0.24

Martin ratio

Return relative to average drawdown

3.26

4.31

-1.05

AHMFX vs. PRFHX - Sharpe Ratio Comparison

The current AHMFX Sharpe Ratio is 0.81, which is lower than the PRFHX Sharpe Ratio of 1.33. The chart below compares the historical Sharpe Ratios of AHMFX and PRFHX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


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Sharpe Ratios by Period


AHMFXPRFHXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.81

1.33

-0.53

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.38

0.41

-0.03

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.75

0.67

+0.08

Sharpe Ratio (All Time)

Calculated using the full available price history

1.52

1.28

+0.23

Correlation

The correlation between AHMFX and PRFHX is 0.87, 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.


Dividends

AHMFX vs. PRFHX - Dividend Comparison

AHMFX's dividend yield for the trailing twelve months is around 4.27%, less than PRFHX's 7.19% yield.


TTM20252024202320222021202020192018201720162015
AHMFX
American High-Income Municipal Bond Fund Class F-2
4.27%5.58%4.04%2.97%2.71%3.44%3.60%3.68%3.88%4.19%3.74%4.19%
PRFHX
T. Rowe Price Tax Free High Yield Fund
7.19%7.11%3.80%4.19%2.81%3.01%3.47%3.52%3.71%3.64%3.88%4.02%

Drawdowns

AHMFX vs. PRFHX - Drawdown Comparison

The maximum AHMFX drawdown since its inception was -17.65%, smaller than the maximum PRFHX drawdown of -24.76%. Use the drawdown chart below to compare losses from any high point for AHMFX and PRFHX.


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Drawdown Indicators


AHMFXPRFHXDifference

Max Drawdown

Largest peak-to-trough decline

-17.65%

-24.76%

+7.11%

Max Drawdown (1Y)

Largest decline over 1 year

-5.60%

-6.12%

+0.52%

Max Drawdown (5Y)

Largest decline over 5 years

-17.65%

-18.81%

+1.16%

Max Drawdown (10Y)

Largest decline over 10 years

-17.65%

-18.81%

+1.16%

Current Drawdown

Current decline from peak

-2.70%

-2.13%

-0.57%

Average Drawdown

Average peak-to-trough decline

-2.38%

-2.79%

+0.41%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.69%

1.74%

-0.05%

Volatility

AHMFX vs. PRFHX - Volatility Comparison

The current volatility for American High-Income Municipal Bond Fund Class F-2 (AHMFX) is 1.08%, while T. Rowe Price Tax Free High Yield Fund (PRFHX) has a volatility of 1.32%. This indicates that AHMFX experiences smaller price fluctuations and is considered to be less risky than PRFHX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


AHMFXPRFHXDifference

Volatility (1M)

Calculated over the trailing 1-month period

1.08%

1.32%

-0.24%

Volatility (6M)

Calculated over the trailing 6-month period

1.86%

2.19%

-0.33%

Volatility (1Y)

Calculated over the trailing 1-year period

6.45%

6.31%

+0.14%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

4.82%

4.88%

-0.06%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

4.53%

4.64%

-0.11%