AMUN vs. RMCA
AMUN (abrdn Ultra Short Municipal Income Active ETF) and RMCA (Rockefeller California Municipal Bond ETF) are both Municipal Bonds funds. Both are actively managed. At 0.31, their price movements are largely independent. AMUN charges 0.25%/yr vs 0.55%/yr for RMCA.
Performance
AMUN vs. RMCA - Performance Comparison
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Returns By Period
In the year-to-date period, AMUN achieves a 0.68% return, which is significantly lower than RMCA's 1.39% return.
AMUN
- 1D
- 0.02%
- 1M
- 0.10%
- YTD
- 0.68%
- 6M
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
RMCA
- 1D
- -0.04%
- 1M
- 0.39%
- YTD
- 1.39%
- 6M
- 1.55%
- 1Y
- 6.18%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
AMUN vs. RMCA - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
AMUN abrdn Ultra Short Municipal Income Active ETF | 0.68% | 0.14% |
RMCA Rockefeller California Municipal Bond ETF | 1.39% | -0.28% |
Correlation
The correlation between AMUN and RMCA is 0.31, 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 | 0.31 |
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Return for Risk
AMUN vs. RMCA — Risk / Return Rank
AMUN
RMCA
AMUN vs. RMCA - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for abrdn Ultra Short Municipal Income Active ETF (AMUN) and Rockefeller California Municipal Bond ETF (RMCA). 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.
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
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Sharpe Ratios by Period
| AMUN | RMCA | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | — | 1.48 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.56 | 0.39 | +1.16 |
Drawdowns
AMUN vs. RMCA - Drawdown Comparison
The maximum AMUN drawdown since its inception was -0.61%, smaller than the maximum RMCA drawdown of -5.95%. Use the drawdown chart below to compare losses from any high point for AMUN and RMCA.
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Drawdown Indicators
| AMUN | RMCA | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -0.61% | -5.95% | +5.34% |
Max Drawdown (1Y)Largest decline over 1 year | — | -2.97% | — |
Current DrawdownCurrent decline from peak | -0.12% | -0.53% | +0.41% |
Average DrawdownAverage peak-to-trough decline | -0.11% | -1.74% | +1.63% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 1.07% | — |
Volatility
AMUN vs. RMCA - Volatility Comparison
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Volatility by Period
| AMUN | RMCA | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 1.72% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 2.38% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 1.10% | 4.23% | -3.13% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.10% | 5.52% | -4.42% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.10% | 5.52% | -4.42% |
AMUN vs. RMCA - Expense Ratio Comparison
AMUN has a 0.25% expense ratio, which is lower than RMCA's 0.55% expense ratio.
Dividends
AMUN vs. RMCA - Dividend Comparison
AMUN's dividend yield for the trailing twelve months is around 1.39%, less than RMCA's 4.44% yield.
| TTM | 2025 | 2024 | |
|---|---|---|---|
AMUN abrdn Ultra Short Municipal Income Active ETF | 1.39% | 0.66% | 0.00% |
RMCA Rockefeller California Municipal Bond ETF | 4.44% | 4.51% | 1.20% |