IROC vs. EVYM

Last updated Jun 6, 2026

IROC (Invesco Rochester High Yield Municipal ETF) and EVYM (Eaton Vance High Income Municipal ETF) are both High Yield Muni funds. Both are actively managed. Over the past year, IROC returned 7.23% vs 10.16% for EVYM. A 0.75 correlation means they provide meaningful diversification when combined. IROC charges 0.39%/yr vs 0.40%/yr for EVYM.

Performance

IROC vs. EVYM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Rochester High Yield Municipal ETF (IROC) and Eaton Vance High Income Municipal ETF (EVYM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IROC achieves a 2.86% return, which is significantly lower than EVYM's 3.30% return.

IROC

• 1D: -0.17%
• 1M: 0.68%
• YTD: 2.86%
• 6M: 3.35%
• 1Y: 7.23%
• 3Y*: 5.21%
• 5Y*: —
• 10Y*: —

EVYM

• 1D: -0.22%
• 1M: 0.59%
• YTD: 3.30%
• 6M: 3.96%
• 1Y: 10.16%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IROC vs. EVYM - Yearly Performance Comparison

	2026 (YTD)	2025
IROC Invesco Rochester High Yield Municipal ETF	2.86%	2.53%
EVYM Eaton Vance High Income Municipal ETF	3.30%	3.70%

Correlation

The correlation between IROC and EVYM is 0.71, 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	0.71
Correlation (All Time) Calculated using the full available price history since Feb 28, 2025	0.75

The correlation between IROC and EVYM has been stable across timeframes, ranging from 0.71 to 0.75 - a consistent structural relationship.

Return for Risk

IROC vs. EVYM — Risk / Return Rank

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

IROC

IROC Risk / Return Rank: 76
IROC Sharpe Ratio Rank: 82
IROC Sortino Ratio Rank: 88
IROC Omega Ratio Rank: 89
IROC Calmar Ratio Rank: 61
IROC Martin Ratio Rank: 60

EVYM

EVYM Risk / Return Rank: 85
EVYM Sharpe Ratio Rank: 88
EVYM Sortino Ratio Rank: 93
EVYM Omega Ratio Rank: 92
EVYM Calmar Ratio Rank: 76
EVYM Martin Ratio Rank: 78

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.

IROC vs. EVYM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Rochester High Yield Municipal ETF (IROC) and Eaton Vance High Income Municipal ETF (EVYM). 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.

	IROC	EVYM	Difference
Sharpe ratio: Return per unit of total volatility	2.39	2.76	-0.37
Sortino ratio: Return per unit of downside risk	3.63	4.27	-0.65
Omega ratio: Gain probability vs. loss probability	1.51	1.58	-0.06
Calmar ratio: Return relative to maximum drawdown	2.75	3.68	-0.93
Martin ratio: Return relative to average drawdown	9.87	13.94	-4.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IROC vs. EVYM - Sharpe Ratio Comparison

The current IROC Sharpe Ratio is 2.39, which is comparable to the EVYM Sharpe Ratio of 2.76. The chart below compares the historical Sharpe Ratios of IROC and EVYM, 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

	IROC	EVYM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.39	2.76	-0.37
Sharpe Ratio (All Time) Calculated using the full available price history	1.38	0.92	+0.46

Drawdowns

IROC vs. EVYM - Drawdown Comparison

The maximum IROC drawdown since its inception was -4.79%, smaller than the maximum EVYM drawdown of -6.08%. Use the drawdown chart below to compare losses from any high point for IROC and EVYM.

Drawdown Indicators

	IROC	EVYM	Difference
Max Drawdown Largest peak-to-trough decline	-4.79%	-6.08%	+1.29%
Max Drawdown (1Y) Largest decline over 1 year	-2.64%	-2.77%	+0.13%
Max Drawdown (3Y) Largest decline over 3 years	-4.79%	—	—
Current Drawdown Current decline from peak	-0.17%	-0.22%	+0.05%
Average Drawdown Average peak-to-trough decline	-0.84%	-1.48%	+0.64%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.73%	0.73%	0.00%

Volatility

IROC vs. EVYM - Volatility Comparison

Invesco Rochester High Yield Municipal ETF (IROC) and Eaton Vance High Income Municipal ETF (EVYM) have volatilities of 0.95% and 0.92%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IROC	EVYM	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.95%	0.92%	+0.03%
Volatility (6M) Calculated over the trailing 6-month period	2.34%	2.59%	-0.25%
Volatility (1Y) Calculated over the trailing 1-year period	3.03%	3.69%	-0.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.50%	6.07%	-2.57%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.50%	6.07%	-2.57%

IROC vs. EVYM - Expense Ratio Comparison

IROC has a 0.39% expense ratio, which is lower than EVYM's 0.40% expense ratio.

Dividends

IROC vs. EVYM - Dividend Comparison

IROC's dividend yield for the trailing twelve months is around 5.11%, more than EVYM's 4.78% yield.

Position	TTM	2025	2024	2023
EVYM Eaton Vance High Income Municipal ETF	4.78%	3.72%	0.00%	0.00%
IROC Invesco Rochester High Yield Municipal ETF	5.11%	4.79%	4.08%	3.68%

Frequently Asked Questions

Can I hold both IROC and EVYM in my portfolio?

IROC and EVYM have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IROC or EVYM?

IROC has higher volatility (0.95%) compared to EVYM (0.92%). In terms of maximum drawdown, IROC dropped -4.79% vs EVYM's -6.08%.

Which ETF is better, IROC or EVYM?

On 1-year performance, EVYM leads with 10.16% vs 7.23% for IROC. On fees, IROC is cheaper at 0.39% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IROC or EVYM?

Over the 1-year period, EVYM has performed better with a 10.16% return vs 7.23%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IROC or EVYM?

IROC is cheaper with a 0.39% expense ratio, compared with 0.40% for EVYM.

Which ETF pays a higher dividend yield, IROC or EVYM?

IROC has the higher dividend yield at 5.11%, compared with 4.78% for EVYM.

What is the main difference between IROC and EVYM?

They also come from different issuers: Invesco and Eaton Vance. Their fees differ too: 0.39% for IROC and 0.40% for EVYM.

Which has better risk-adjusted returns?

EVYM currently has the higher Sharpe Ratio (2.76 vs 2.39), 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.