PRHAX vs. ISHYX

Last updated Jun 23, 2026

PRHAX (PGIM Muni High Income Fund) and ISHYX (Invesco Short Duration High Yield Municipal Fund) are both High Yield Muni funds. Over the past 10 years, PRHAX returned 2.55%/yr vs 2.79%/yr for ISHYX. A 0.77 correlation means they provide meaningful diversification when combined. PRHAX charges 0.81%/yr vs 0.59%/yr for ISHYX.

Performance

PRHAX vs. ISHYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PGIM Muni High Income Fund (PRHAX) and Invesco Short Duration High Yield Municipal Fund (ISHYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PRHAX achieves a 2.95% return, which is significantly higher than ISHYX's 2.50% return. Over the past 10 years, PRHAX has underperformed ISHYX with an annualized return of 2.55%, while ISHYX has yielded a comparatively higher 2.79% annualized return.

PRHAX

• 1D: 0.21%
• 1M: 2.27%
• YTD: 2.95%
• 6M: 3.30%
• 1Y: 7.70%
• 3Y*: 5.55%
• 5Y*: 1.01%
• 10Y*: 2.55%

ISHYX

• 1D: 0.11%
• 1M: 1.35%
• YTD: 2.50%
• 6M: 3.01%
• 1Y: 6.83%
• 3Y*: 4.92%
• 5Y*: 1.69%
• 10Y*: 2.79%

*Multi-year figures are annualized to reflect compound growth (CAGR)

PRHAX vs. ISHYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PRHAX PGIM Muni High Income Fund	2.95%	4.42%	4.74%	8.02%	-14.37%	4.07%	4.57%	8.67%	0.99%	7.80%
ISHYX Invesco Short Duration High Yield Municipal Fund	2.50%	3.92%	6.43%	3.58%	-8.99%	5.96%	-0.31%	7.84%	2.27%	8.04%

Correlation

The correlation between PRHAX and ISHYX is 0.76, 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	0.76
Correlation (3Y) Calculated over the trailing 3-year period	0.78
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (10Y) Calculated over the trailing 10-year period	0.77
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016	0.77

The correlation between PRHAX and ISHYX has been stable across timeframes, ranging from 0.76 to 0.79 - a consistent structural relationship.

Return for Risk

PRHAX vs. ISHYX — Risk / Return Rank

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

PRHAX

PRHAX Risk / Return Rank: 71
PRHAX Sharpe Ratio Rank: 84
PRHAX Sortino Ratio Rank: 88
PRHAX Omega Ratio Rank: 92
PRHAX Calmar Ratio Rank: 48
PRHAX Martin Ratio Rank: 46

ISHYX

ISHYX Risk / Return Rank: 90
ISHYX Sharpe Ratio Rank: 94
ISHYX Sortino Ratio Rank: 97
ISHYX Omega Ratio Rank: 96
ISHYX Calmar Ratio Rank: 83
ISHYX Martin Ratio Rank: 79

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.

PRHAX vs. ISHYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PGIM Muni High Income Fund (PRHAX) and Invesco Short Duration High Yield Municipal Fund (ISHYX). 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.

	PRHAX	ISHYX	Difference
Sharpe ratio: Return per unit of total volatility	2.53	3.00	-0.47
Sortino ratio: Return per unit of downside risk	3.92	5.50	-1.58
Omega ratio: Gain probability vs. loss probability	1.65	1.83	-0.18
Calmar ratio: Return relative to maximum drawdown	2.54	3.64	-1.11
Martin ratio: Return relative to average drawdown	9.09	13.71	-4.62

PRHAX vs. ISHYX - Sharpe Ratio Comparison

The current PRHAX Sharpe Ratio is 2.53, which is comparable to the ISHYX Sharpe Ratio of 3.00. The chart below compares the historical Sharpe Ratios of PRHAX and ISHYX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

PRHAX vs. ISHYX - Drawdown Comparison

The maximum PRHAX drawdown since its inception was -19.43%, which is greater than ISHYX's maximum drawdown of -13.64%. Use the drawdown chart below to compare losses from any high point for PRHAX and ISHYX.

Drawdown Indicators

	PRHAX	ISHYX	Difference
Max Drawdown Largest peak-to-trough decline	-19.43%	-13.64%	-5.79%
Max Drawdown (1Y) Largest decline over 1 year	-3.05%	-1.89%	-1.16%
Max Drawdown (3Y) Largest decline over 3 years	-6.67%	-4.03%	-2.64%
Max Drawdown (5Y) Largest decline over 5 years	-19.43%	-12.03%	-7.40%
Max Drawdown (10Y) Largest decline over 10 years	-19.43%	-13.64%	-5.79%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-2.26%	-2.63%	+0.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.85%	0.50%	+0.35%

Volatility

PRHAX vs. ISHYX - Volatility Comparison

PGIM Muni High Income Fund (PRHAX) has a higher volatility of 0.85% compared to Invesco Short Duration High Yield Municipal Fund (ISHYX) at 0.65%. This indicates that PRHAX's price experiences larger fluctuations and is considered to be riskier than ISHYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PRHAX	ISHYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.85%	0.65%	+0.20%
Volatility (6M) Calculated over the trailing 6-month period	2.28%	1.71%	+0.57%
Volatility (1Y) Calculated over the trailing 1-year period	3.05%	2.29%	+0.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.01%	3.10%	+1.91%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.09%	3.33%	+1.76%

PRHAX vs. ISHYX - Expense Ratio Comparison

PRHAX has a 0.81% expense ratio, which is higher than ISHYX's 0.59% expense ratio.

Dividends

PRHAX vs. ISHYX - Dividend Comparison

PRHAX's dividend yield for the trailing twelve months is around 3.90%, less than ISHYX's 4.63% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ISHYX Invesco Short Duration High Yield Municipal Fund	4.63%	4.65%	4.40%	3.38%	3.99%	3.58%	3.58%	3.45%	3.59%	3.51%	3.60%	0.00%
PRHAX PGIM Muni High Income Fund	3.90%	5.23%	3.89%	2.93%	2.92%	2.68%	3.41%	3.39%	3.87%	3.80%	4.14%	4.19%

Frequently Asked Questions

Can I hold both PRHAX and ISHYX in my portfolio?

PRHAX and ISHYX have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PRHAX or ISHYX?

PRHAX has higher volatility (0.85%) compared to ISHYX (0.65%). In terms of maximum drawdown, PRHAX dropped -19.43% vs ISHYX's -13.64%.

Which has better risk-adjusted returns?

ISHYX currently has the higher Sharpe Ratio (3.00 vs 2.53), 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.