RTAI vs. AMUN
RTAI (Rareview Tax Advantaged Income ETF) and AMUN (abrdn Ultra Short Municipal Income Active ETF) are both Municipal Bonds funds. Both are actively managed. At a 0.26 correlation, their price movements are largely independent. RTAI charges 3.78%/yr vs 0.25%/yr for AMUN.
Performance
RTAI vs. AMUN - Performance Comparison
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Returns By Period
In the year-to-date period, RTAI achieves a 2.45% return, which is significantly higher than AMUN's 1.11% return.
RTAI
- 1D
- -0.33%
- 1M
- 1.63%
- YTD
- 2.45%
- 6M
- 2.47%
- 1Y
- 10.41%
- 3Y*
- 7.25%
- 5Y*
- -0.79%
- 10Y*
- —
AMUN
- 1D
- -0.02%
- 1M
- 0.32%
- YTD
- 1.11%
- 6M
- 1.36%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
RTAI vs. AMUN - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
RTAI Rareview Tax Advantaged Income ETF | 2.45% | -0.30% |
AMUN abrdn Ultra Short Municipal Income Active ETF | 1.11% | 0.14% |
Correlation
The correlation between RTAI and AMUN is 0.26, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Oct 21, 2025 | 0.26 |
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Return for Risk
RTAI vs. AMUN — Risk / Return Rank
RTAI
AMUN
RTAI vs. AMUN - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Rareview Tax Advantaged Income ETF (RTAI) and abrdn Ultra Short Municipal Income Active ETF (AMUN). 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.
| RTAI | AMUN | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 1.32 | — | — |
| Calmar ratioReturn relative to maximum drawdown | 1.69 | — | — |
| Martin ratioReturn relative to average drawdown | 6.90 | — | — |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| RTAI | AMUN | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.58 | — | — |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.09 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.17 | 2.05 | -1.88 |
Drawdowns
RTAI vs. AMUN - Drawdown Comparison
The maximum RTAI drawdown since its inception was -34.32%, which is greater than AMUN's maximum drawdown of -0.61%. Use the drawdown chart below to compare losses from any high point for RTAI and AMUN.
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Drawdown Indicators
| RTAI | AMUN | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -34.32% | -0.61% | -33.71% |
Max Drawdown (1Y)Largest decline over 1 year | -6.18% | — | — |
Max Drawdown (3Y)Largest decline over 3 years | -15.71% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -34.32% | — | — |
Current DrawdownCurrent decline from peak | -7.64% | -0.02% | -7.62% |
Average DrawdownAverage peak-to-trough decline | -13.83% | -0.09% | -13.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.51% | — | — |
Volatility
RTAI vs. AMUN - Volatility Comparison
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Volatility by Period
| RTAI | AMUN | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.77% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 5.36% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 6.62% | 1.01% | +5.61% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.34% | 1.01% | +8.33% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.05% | 1.01% | +8.04% |
RTAI vs. AMUN - Expense Ratio Comparison
RTAI has a 3.78% expense ratio, which is higher than AMUN's 0.25% expense ratio.
Dividends
RTAI vs. AMUN - Dividend Comparison
RTAI's dividend yield for the trailing twelve months is around 5.05%, more than AMUN's 1.89% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 |
|---|---|---|---|---|---|---|---|
AMUN abrdn Ultra Short Municipal Income Active ETF | 1.89% | 0.66% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
RTAI Rareview Tax Advantaged Income ETF | 5.05% | 5.66% | 5.02% | 3.07% | 3.71% | 4.73% | 0.48% |
Frequently Asked Questions
RTAI and AMUN have a correlation of 0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, AMUN is cheaper at 0.25% per year. The better choice depends on whether you care most about return, fees, risk, or income.
AMUN is cheaper with a 0.25% expense ratio, compared with 3.78% for RTAI.
RTAI has the higher dividend yield at 5.05%, compared with 1.89% for AMUN.
They also come from different issuers: Rareview Funds and abrdn. Their fees differ too: 3.78% for RTAI and 0.25% for AMUN.
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