SHYM vs. VWSUX
SHYM (iShares Short Duration High Yield Muni Active ETF) and VWSUX (Vanguard Ultra-Short-Term Tax-Exempt Fund Admiral Shares) are both funds - SHYM is a High Yield Muni fund actively managed by iShares, while VWSUX is a Municipal Bonds fund actively managed by Vanguard. Both are actively managed. Over the past 5 years, SHYM returned 0.39%/yr vs 2.51%/yr for VWSUX. Their 0.43 correlation means their historical movements had little consistent relationship. SHYM charges 0.35%/yr vs 0.09%/yr for VWSUX.
Performance
SHYM vs. VWSUX - Performance Comparison
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Returns By Period
In the year-to-date period, SHYM achieves a 1.68% return, which is significantly higher than VWSUX's 1.14% return.
SHYM
- 1D
- 0.01%
- 1M
- -1.13%
- 6M
- 0.65%
- YTD
- 1.68%
- 1Y
- 4.27%
- 3Y*
- 5.72%
- 5Y*
- 0.39%
- 10Y*
- —
- ALL TIME*
- 1.75%
VWSUX
- 1D
- 0.00%
- 1M
- -0.32%
- 6M
- 0.65%
- YTD
- 1.14%
- 1Y
- 2.63%
- 3Y*
- 3.96%
- 5Y*
- 2.51%
- 10Y*
- 1.96%
- ALL TIME*
- 1.91%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $4.26M | $4.13M | $7.94M | |
| $0.00 | $0.00 | $0.00 |
SHYM vs. VWSUX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
SHYM iShares Short Duration High Yield Muni Active ETF | 1.68% | 2.58% | 6.99% | 9.67% | -15.96% | 6.71% |
VWSUX Vanguard Ultra-Short-Term Tax-Exempt Fund Admiral Shares | 1.14% | 4.90% | 3.77% | 3.70% | -0.73% | 0.17% |
Correlation
The correlation between SHYM and VWSUX is 0.33, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.33 |
Correlation (3Y) Balances recent behavior with more history. | 0.44 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.45 |
Correlation (All Time) Calculated using the full available price history since Mar 18, 2021 | 0.43 |
The correlation between SHYM and VWSUX shifts across timeframes, from 0.33 (1 year) to 0.45 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
SHYM vs. VWSUX — Risk / Return Rank
SHYM
VWSUX
SHYM vs. VWSUX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Short Duration High Yield Muni Active ETF (SHYM) and Vanguard Ultra-Short-Term Tax-Exempt Fund Admiral Shares (VWSUX). 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.
| SHYM | VWSUX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.93 | ||
| Sortino ratioReturn per unit of downside risk | -3.33 | ||
| Omega ratioGain probability vs. loss probability | 1.31 | 1.94 | -0.63 |
| Calmar ratioReturn relative to maximum drawdown | 1.92 | 3.93 | -2.01 |
| Martin ratioReturn relative to average drawdown | 7.18 | 16.32 | -9.14 |
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Drawdowns
SHYM vs. VWSUX - Drawdown Comparison
The maximum SHYM drawdown since its inception was -22.55%, which is greater than VWSUX's maximum drawdown of -3.08%. Use the drawdown chart below to compare losses from any high point for SHYM and VWSUX.
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Drawdown Indicators
| SHYM | VWSUX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -22.55% | -3.08% | -19.47% |
Max Drawdown (1Y)Largest decline over 1 year | -2.23% | -0.69% | -1.54% |
Max Drawdown (3Y)Largest decline over 3 years | -8.06% | -1.01% | -7.05% |
Max Drawdown (5Y)Largest decline over 5 years | -22.28% | -2.23% | -20.05% |
Max Drawdown (10Y)Largest decline over 10 years | — | -3.08% | — |
Current DrawdownCurrent decline from peak | -1.22% | -0.32% | -0.90% |
Average DrawdownAverage peak-to-trough decline | -6.56% | -0.15% | -6.41% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.60% | 0.17% | +0.43% |
Volatility
SHYM vs. VWSUX - Volatility Comparison
iShares Short Duration High Yield Muni Active ETF (SHYM) has a higher volatility of 0.89% compared to Vanguard Ultra-Short-Term Tax-Exempt Fund Admiral Shares (VWSUX) at 0.20%. This indicates that SHYM's price experiences larger fluctuations and is considered to be riskier than VWSUX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SHYM | VWSUX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.89% | 0.20% | +0.69% |
Volatility (6M)Calculated over the trailing 6-month period | 1.96% | 0.85% | +1.11% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.76% | 1.14% | +1.62% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 7.06% | 1.24% | +5.82% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.85% | 1.13% | +5.72% |
SHYM vs. VWSUX - Expense Ratio Comparison
SHYM has a 0.35% expense ratio, which is higher than VWSUX's 0.09% expense ratio.
Dividends
SHYM vs. VWSUX - Dividend Comparison
SHYM's dividend yield for the trailing twelve months is around 4.35%, more than VWSUX's 2.86% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SHYM iShares Short Duration High Yield Muni Active ETF | 4.35% | 4.55% | 4.35% | 4.35% | 4.01% | 2.97% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VWSUX Vanguard Ultra-Short-Term Tax-Exempt Fund Admiral Shares | 2.86% | 4.00% | 3.82% | 2.27% | 1.24% | 0.63% | 1.26% | 1.79% | 1.53% | 1.16% | 0.97% | 0.78% |
Frequently Asked Questions
SHYM and VWSUX have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SHYM has higher volatility (0.89%) compared to VWSUX (0.20%). In terms of maximum drawdown, SHYM dropped -22.55% vs VWSUX's -3.08%.
VWSUX currently has the higher Sharpe Ratio (2.48 vs 1.55), 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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