EMOIX vs. EIMAX

Last updated Jun 4, 2026

EMOIX (Eaton Vance Municipal Opportunities Fund) and EIMAX (Eaton Vance Massachusetts Municipal Income Fund) are both Municipal Bonds funds from Eaton Vance. Over the past 10 years, EMOIX returned 2.58%/yr vs 1.58%/yr for EIMAX. Their correlation of 0.84 suggests significant overlap in exposure. EMOIX charges 0.67%/yr vs 0.48%/yr for EIMAX.

Performance

EMOIX vs. EIMAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Eaton Vance Municipal Opportunities Fund (EMOIX) and Eaton Vance Massachusetts Municipal Income Fund (EIMAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, EMOIX achieves a 2.17% return, which is significantly higher than EIMAX's 1.63% return. Over the past 10 years, EMOIX has outperformed EIMAX with an annualized return of 2.58%, while EIMAX has yielded a comparatively lower 1.58% annualized return.

EMOIX

• 1D: 0.26%
• 1M: 0.90%
• YTD: 2.17%
• 6M: 2.65%
• 1Y: 9.10%
• 3Y*: 5.26%
• 5Y*: 1.57%
• 10Y*: 2.58%

EIMAX

• 1D: 0.13%
• 1M: 0.81%
• YTD: 1.63%
• 6M: 2.07%
• 1Y: 7.55%
• 3Y*: 3.32%
• 5Y*: 0.40%
• 10Y*: 1.58%

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

EMOIX vs. EIMAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
EMOIX Eaton Vance Municipal Opportunities Fund	2.17%	6.01%	4.17%	5.37%	-9.57%	2.79%	4.28%	7.17%	1.30%	6.17%
EIMAX Eaton Vance Massachusetts Municipal Income Fund	1.63%	3.76%	1.37%	5.06%	-9.61%	0.57%	4.60%	7.01%	0.65%	4.67%

Correlation

The correlation between EMOIX and EIMAX is 0.83, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.83
Correlation (3Y) Calculated over the trailing 3-year period	0.90
Correlation (5Y) Calculated over the trailing 5-year period	0.90
Correlation (10Y) Calculated over the trailing 10-year period	0.85
Correlation (All Time) Calculated using the full available price history since Aug 6, 2012	0.84

The correlation between EMOIX and EIMAX has been stable across timeframes, ranging from 0.83 to 0.90 - a consistent structural relationship.

Return for Risk

EMOIX vs. EIMAX — Risk / Return Rank

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

EMOIX

EMOIX Risk / Return Rank: 78
EMOIX Sharpe Ratio Rank: 89
EMOIX Sortino Ratio Rank: 94
EMOIX Omega Ratio Rank: 94
EMOIX Calmar Ratio Rank: 60
EMOIX Martin Ratio Rank: 53

EIMAX

EIMAX Risk / Return Rank: 70
EIMAX Sharpe Ratio Rank: 77
EIMAX Sortino Ratio Rank: 87
EIMAX Omega Ratio Rank: 91
EIMAX Calmar Ratio Rank: 49
EIMAX Martin Ratio Rank: 43

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.

EMOIX vs. EIMAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Eaton Vance Municipal Opportunities Fund (EMOIX) and Eaton Vance Massachusetts Municipal Income Fund (EIMAX). 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.

	EMOIX	EIMAX	Difference
Sharpe ratio: Return per unit of total volatility	2.95	2.55	+0.40
Sortino ratio: Return per unit of downside risk	4.81	4.15	+0.67
Omega ratio: Gain probability vs. loss probability	1.75	1.66	+0.09
Calmar ratio: Return relative to maximum drawdown	2.98	2.68	+0.30
Martin ratio: Return relative to average drawdown	10.84	9.13	+1.72
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

EMOIX vs. EIMAX - Sharpe Ratio Comparison

The current EMOIX Sharpe Ratio is 2.95, which is comparable to the EIMAX Sharpe Ratio of 2.55. The chart below compares the historical Sharpe Ratios of EMOIX and EIMAX, 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

	EMOIX	EIMAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.95	2.55	+0.40
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.40	0.09	+0.30
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.63	0.38	+0.26
Sharpe Ratio (All Time) Calculated using the full available price history	0.84	0.57	+0.27

Drawdowns

EMOIX vs. EIMAX - Drawdown Comparison

The maximum EMOIX drawdown since its inception was -14.20%, smaller than the maximum EIMAX drawdown of -29.25%. Use the drawdown chart below to compare losses from any high point for EMOIX and EIMAX.

Drawdown Indicators

	EMOIX	EIMAX	Difference
Max Drawdown Largest peak-to-trough decline	-14.20%	-29.25%	+15.05%
Max Drawdown (1Y) Largest decline over 1 year	-3.00%	-2.77%	-0.23%
Max Drawdown (3Y) Largest decline over 3 years	-5.98%	-6.83%	+0.85%
Max Drawdown (5Y) Largest decline over 5 years	-14.20%	-14.67%	+0.47%
Max Drawdown (10Y) Largest decline over 10 years	-14.20%	-14.67%	+0.47%
Current Drawdown Current decline from peak	-0.06%	-0.36%	+0.30%
Average Drawdown Average peak-to-trough decline	-2.74%	-3.91%	+1.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.82%	0.81%	+0.01%

Volatility

EMOIX vs. EIMAX - Volatility Comparison

Eaton Vance Municipal Opportunities Fund (EMOIX) has a higher volatility of 1.23% compared to Eaton Vance Massachusetts Municipal Income Fund (EIMAX) at 1.12%. This indicates that EMOIX's price experiences larger fluctuations and is considered to be riskier than EIMAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	EMOIX	EIMAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.23%	1.12%	+0.11%
Volatility (6M) Calculated over the trailing 6-month period	2.26%	2.09%	+0.17%
Volatility (1Y) Calculated over the trailing 1-year period	3.04%	2.93%	+0.11%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.99%	4.38%	-0.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.08%	4.21%	-0.13%

EMOIX vs. EIMAX - Expense Ratio Comparison

EMOIX has a 0.67% expense ratio, which is higher than EIMAX's 0.48% expense ratio.

Dividends

EMOIX vs. EIMAX - Dividend Comparison

EMOIX's dividend yield for the trailing twelve months is around 3.50%, less than EIMAX's 3.60% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EIMAX Eaton Vance Massachusetts Municipal Income Fund	3.60%	4.52%	4.15%	2.39%	2.62%	2.01%	2.58%	3.46%	3.27%	3.41%	3.65%	3.70%
EMOIX Eaton Vance Municipal Opportunities Fund	3.50%	4.41%	4.09%	2.49%	2.66%	3.27%	2.36%	2.76%	2.54%	2.22%	2.50%	2.03%

Frequently Asked Questions

Can I hold both EMOIX and EIMAX in my portfolio?

EMOIX and EIMAX have a correlation of 0.83, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, EMOIX or EIMAX?

EMOIX has higher volatility (1.23%) compared to EIMAX (1.12%). In terms of maximum drawdown, EMOIX dropped -14.20% vs EIMAX's -29.25%.

Which has better risk-adjusted returns?

EMOIX currently has the higher Sharpe Ratio (2.95 vs 2.55), 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.