AHYMX vs. ISHYX
AHYMX (abrdn Short Duration High Yield Municipal Fund) and ISHYX (Invesco Short Duration High Yield Municipal Fund) are both High Yield Muni funds. Over the past 10 years, AHYMX returned 1.49%/yr vs 2.74%/yr for ISHYX. A 0.71 correlation means they provide meaningful diversification when combined. AHYMX charges 0.68%/yr vs 0.59%/yr for ISHYX.
Performance
AHYMX vs. ISHYX - Performance Comparison
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Returns By Period
In the year-to-date period, AHYMX achieves a 1.29% return, which is significantly lower than ISHYX's 2.68% return. Over the past 10 years, AHYMX has underperformed ISHYX with an annualized return of 1.49%, while ISHYX has yielded a comparatively higher 2.74% annualized return.
AHYMX
- 1D
- -0.11%
- 1M
- 0.11%
- 6M
- 0.96%
- YTD
- 1.29%
- 1Y
- 5.62%
- 3Y*
- 2.78%
- 5Y*
- 0.01%
- 10Y*
- 1.49%
ISHYX
- 1D
- 0.00%
- 1M
- 0.28%
- 6M
- 2.25%
- YTD
- 2.68%
- 1Y
- 7.41%
- 3Y*
- 5.09%
- 5Y*
- 1.57%
- 10Y*
- 2.74%
AHYMX vs. ISHYX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AHYMX abrdn Short Duration High Yield Municipal Fund | 1.29% | 2.91% | 4.07% | 1.56% | -9.36% | 4.06% | 1.81% | 5.23% | 1.50% | 4.19% |
ISHYX Invesco Short Duration High Yield Municipal Fund | 2.68% | 3.92% | 6.43% | 3.58% | -8.99% | 5.96% | -0.31% | 7.84% | 2.27% | 8.04% |
Correlation
The correlation between AHYMX and ISHYX is 0.65, 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 | 0.65 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.73 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.76 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.72 |
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016 | 0.71 |
The correlation between AHYMX and ISHYX shifts across timeframes, from 0.65 (1 year) to 0.76 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
AHYMX vs. ISHYX — Risk / Return Rank
AHYMX
ISHYX
AHYMX vs. ISHYX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for abrdn Short Duration High Yield Municipal Fund (AHYMX) 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.
| AHYMX | ISHYX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.13 | ||
| Sortino ratioReturn per unit of downside risk | -2.52 | ||
| Omega ratioGain probability vs. loss probability | 1.49 | 1.91 | -0.41 |
| Calmar ratioReturn relative to maximum drawdown | 2.72 | 3.84 | -1.12 |
| Martin ratioReturn relative to average drawdown | 11.00 | 16.19 | -5.20 |
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Drawdowns
AHYMX vs. ISHYX - Drawdown Comparison
The maximum AHYMX drawdown since its inception was -11.53%, smaller than the maximum ISHYX drawdown of -13.64%. Use the drawdown chart below to compare losses from any high point for AHYMX and ISHYX.
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Drawdown Indicators
| AHYMX | ISHYX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -11.53% | -13.64% | +2.11% |
Max Drawdown (1Y)Largest decline over 1 year | -1.98% | -1.89% | -0.09% |
Max Drawdown (3Y)Largest decline over 3 years | -4.53% | -3.93% | -0.60% |
Max Drawdown (5Y)Largest decline over 5 years | -11.53% | -12.03% | +0.50% |
Max Drawdown (10Y)Largest decline over 10 years | -11.53% | -13.64% | +2.11% |
Current DrawdownCurrent decline from peak | -0.44% | -0.42% | -0.02% |
Average DrawdownAverage peak-to-trough decline | -2.47% | -2.61% | +0.14% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.50% | 0.48% | +0.02% |
Volatility
AHYMX vs. ISHYX - Volatility Comparison
The current volatility for abrdn Short Duration High Yield Municipal Fund (AHYMX) is 0.46%, while Invesco Short Duration High Yield Municipal Fund (ISHYX) has a volatility of 0.54%. This indicates that AHYMX experiences smaller price fluctuations and is considered to be less risky than ISHYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AHYMX | ISHYX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.46% | 0.54% | -0.08% |
Volatility (6M)Calculated over the trailing 6-month period | 1.89% | 1.73% | +0.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.60% | 2.27% | +0.33% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.93% | 3.11% | -0.18% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.61% | 3.33% | -0.72% |
AHYMX vs. ISHYX - Expense Ratio Comparison
AHYMX has a 0.68% expense ratio, which is higher than ISHYX's 0.59% expense ratio.
Dividends
AHYMX vs. ISHYX - Dividend Comparison
AHYMX's dividend yield for the trailing twelve months is around 4.58%, less than ISHYX's 4.65% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AHYMX abrdn Short Duration High Yield Municipal Fund | 4.58% | 4.52% | 3.32% | 2.21% | 2.05% | 2.31% | 2.74% | 3.10% | 3.39% | 2.82% | 3.28% | 3.43% |
ISHYX Invesco Short Duration High Yield Municipal Fund | 4.65% | 4.65% | 4.40% | 3.38% | 3.99% | 3.58% | 3.58% | 3.45% | 3.59% | 3.51% | 3.60% | 0.00% |
Frequently Asked Questions
AHYMX and ISHYX have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ISHYX has higher volatility (0.54%) compared to AHYMX (0.46%). In terms of maximum drawdown, AHYMX dropped -11.53% vs ISHYX's -13.64%.
ISHYX currently has the higher Sharpe Ratio (3.21 vs 2.09), 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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