RMOP vs. SHYM

Last updated Apr 15, 2026

RMOP (Rockefeller Opportunistic Municipal Bond ETF) and SHYM (iShares Short Duration High Yield Muni Active ETF) are both High Yield Muni funds. Both are actively managed. Over the past year, RMOP returned 10.12% vs 7.65% for SHYM. A 0.57 correlation means they provide meaningful diversification when combined. RMOP charges 0.55%/yr vs 0.35%/yr for SHYM.

Performance

RMOP vs. SHYM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rockefeller Opportunistic Municipal Bond ETF (RMOP) and iShares Short Duration High Yield Muni Active ETF (SHYM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RMOP achieves a 1.92% return, which is significantly higher than SHYM's 0.81% return.

RMOP

• 1D: -0.04%
• 1M: 1.04%
• YTD: 1.92%
• 6M: 2.95%
• 1Y: 10.12%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SHYM

• 1D: 0.00%
• 1M: 0.34%
• YTD: 0.81%
• 6M: 2.12%
• 1Y: 7.65%
• 3Y*: 5.16%
• 5Y*: 1.20%
• 10Y*: —

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

RMOP vs. SHYM - Yearly Performance Comparison

	2026 (YTD)	2025	2024
RMOP Rockefeller Opportunistic Municipal Bond ETF	1.92%	3.90%	2.64%
SHYM iShares Short Duration High Yield Muni Active ETF	0.81%	2.58%	0.03%

Correlation

The correlation between RMOP and SHYM is 0.52, 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	0.52
Correlation (All Time) Calculated using the full available price history since Aug 14, 2024	0.57

The correlation between RMOP and SHYM has been stable across timeframes, ranging from 0.52 to 0.57 — a consistent structural relationship.

Return for Risk

RMOP vs. SHYM — Risk / Return Rank

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

RMOP

RMOP Risk / Return Rank: 62
RMOP Sharpe Ratio Rank: 61
RMOP Sortino Ratio Rank: 66
RMOP Omega Ratio Rank: 75
RMOP Calmar Ratio Rank: 55
RMOP Martin Ratio Rank: 52

SHYM

SHYM Risk / Return Rank: 51
SHYM Sharpe Ratio Rank: 47
SHYM Sortino Ratio Rank: 64
SHYM Omega Ratio Rank: 66
SHYM Calmar Ratio Rank: 38
SHYM Martin Ratio Rank: 38

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.

RMOP vs. SHYM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rockefeller Opportunistic Municipal Bond ETF (RMOP) and iShares Short Duration High Yield Muni Active ETF (SHYM). 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.

	RMOP	SHYM	Difference
Sharpe ratio Return per unit of total volatility	2.27	2.00	+0.27
Sortino ratio Return per unit of downside risk	3.30	3.29	+0.01
Omega ratio Gain probability vs. loss probability	1.49	1.44	+0.05
Calmar ratio Return relative to maximum drawdown	3.54	2.55	+1.00
Martin ratio Return relative to average drawdown	12.04	8.71	+3.32
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RMOP vs. SHYM - Sharpe Ratio Comparison

The current RMOP Sharpe Ratio is 2.27, which is comparable to the SHYM Sharpe Ratio of 2.00. The chart below compares the historical Sharpe Ratios of RMOP and SHYM, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	RMOP	SHYM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.27	2.00	+0.27
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.17	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.89	0.24	+0.65

Drawdowns

RMOP vs. SHYM - Drawdown Comparison

The maximum RMOP drawdown since its inception was -6.67%, smaller than the maximum SHYM drawdown of -22.55%. Use the drawdown chart below to compare losses from any high point for RMOP and SHYM.

Drawdown Indicators

	RMOP	SHYM	Difference
Max Drawdown Largest peak-to-trough decline	-6.67%	-22.55%	+15.88%
Max Drawdown (1Y) Largest decline over 1 year	-2.66%	-2.23%	-0.43%
Max Drawdown (5Y) Largest decline over 5 years	—	-22.55%	—
Current Drawdown Current decline from peak	-0.35%	-0.87%	+0.52%
Average Drawdown Average peak-to-trough decline	-1.62%	-6.93%	+5.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.78%	0.65%	+0.13%

Volatility

RMOP vs. SHYM - Volatility Comparison

Rockefeller Opportunistic Municipal Bond ETF (RMOP) has a higher volatility of 1.72% compared to iShares Short Duration High Yield Muni Active ETF (SHYM) at 1.23%. This indicates that RMOP's price experiences larger fluctuations and is considered to be riskier than SHYM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RMOP	SHYM	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.72%	1.23%	+0.49%
Volatility (6M) Calculated over the trailing 6-month period	2.49%	1.80%	+0.69%
Volatility (1Y) Calculated over the trailing 1-year period	4.55%	4.23%	+0.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.79%	7.08%	-1.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.79%	7.03%	-1.24%

RMOP vs. SHYM - Expense Ratio Comparison

RMOP has a 0.55% expense ratio, which is higher than SHYM's 0.35% expense ratio.

Dividends

RMOP vs. SHYM - Dividend Comparison

RMOP's dividend yield for the trailing twelve months is around 5.22%, more than SHYM's 4.48% yield.

	TTM	2025	2024	2023	2022	2021
RMOP Rockefeller Opportunistic Municipal Bond ETF	5.22%	5.15%	1.27%	0.00%	0.00%	0.00%
SHYM iShares Short Duration High Yield Muni Active ETF	4.48%	4.55%	4.35%	4.35%	4.01%	2.97%