NSIOX vs. EWHYX

Last updated Jun 24, 2026

NSIOX (Nuveen Strategic Municipal Opportunities Fund) and EWHYX (Eaton Vance High Yield Municipal Income Fund Class W) are both High Yield Muni funds. Over the past 3 years, NSIOX returned 4.35%/yr vs 5.58%/yr for EWHYX. Their correlation of 0.88 suggests significant overlap in exposure. NSIOX charges 0.56%/yr vs 0.18%/yr for EWHYX.

Performance

NSIOX vs. EWHYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nuveen Strategic Municipal Opportunities Fund (NSIOX) and Eaton Vance High Yield Municipal Income Fund Class W (EWHYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NSIOX achieves a 1.63% return, which is significantly lower than EWHYX's 3.60% return.

NSIOX

• 1D: -0.10%
• 1M: 1.60%
• YTD: 1.63%
• 6M: 2.13%
• 1Y: 5.81%
• 3Y*: 4.35%
• 5Y*: 0.50%
• 10Y*: 2.88%

EWHYX

• 1D: 0.00%
• 1M: 2.19%
• YTD: 3.60%
• 6M: 4.18%
• 1Y: 9.65%
• 3Y*: 5.58%
• 5Y*: —
• 10Y*: —

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

NSIOX vs. EWHYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
NSIOX Nuveen Strategic Municipal Opportunities Fund	1.63%	3.19%	4.61%	7.17%	-13.81%	0.49%
EWHYX Eaton Vance High Yield Municipal Income Fund Class W	3.60%	3.59%	5.42%	7.74%	-11.72%	0.21%

Correlation

The correlation between NSIOX and EWHYX is 0.85, 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	0.85
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (All Time) Calculated using the full available price history since Nov 17, 2021	0.88

The correlation between NSIOX and EWHYX has been stable across timeframes, ranging from 0.85 to 0.89 - a consistent structural relationship.

Return for Risk

NSIOX vs. EWHYX — Risk / Return Rank

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

NSIOX

NSIOX Risk / Return Rank: 53
NSIOX Sharpe Ratio Rank: 56
NSIOX Sortino Ratio Rank: 70
NSIOX Omega Ratio Rank: 80
NSIOX Calmar Ratio Rank: 33
NSIOX Martin Ratio Rank: 28

EWHYX

EWHYX Risk / Return Rank: 82
EWHYX Sharpe Ratio Rank: 88
EWHYX Sortino Ratio Rank: 94
EWHYX Omega Ratio Rank: 92
EWHYX Calmar Ratio Rank: 75
EWHYX Martin Ratio Rank: 59

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.

NSIOX vs. EWHYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nuveen Strategic Municipal Opportunities Fund (NSIOX) and Eaton Vance High Yield Municipal Income Fund Class W (EWHYX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	NSIOX	EWHYX	Difference
Sharpe ratio: Return per unit of total volatility	2.04	2.67	-0.63
Sortino ratio: Return per unit of downside risk	3.18	4.53	-1.35
Omega ratio: Gain probability vs. loss probability	1.48	1.65	-0.17
Calmar ratio: Return relative to maximum drawdown	2.05	3.23	-1.18
Martin ratio: Return relative to average drawdown	6.06	11.04	-4.98

NSIOX vs. EWHYX - Sharpe Ratio Comparison

The current NSIOX Sharpe Ratio is 2.04, which is comparable to the EWHYX Sharpe Ratio of 2.67. The chart below compares the historical Sharpe Ratios of NSIOX and EWHYX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

NSIOX vs. EWHYX - Drawdown Comparison

The maximum NSIOX drawdown since its inception was -18.38%, which is greater than EWHYX's maximum drawdown of -16.52%. Use the drawdown chart below to compare losses from any high point for NSIOX and EWHYX.

Drawdown Indicators

	NSIOX	EWHYX	Difference
Max Drawdown Largest peak-to-trough decline	-18.38%	-16.52%	-1.86%
Max Drawdown (1Y) Largest decline over 1 year	-2.91%	-3.04%	+0.13%
Max Drawdown (3Y) Largest decline over 3 years	-6.17%	-7.54%	+1.37%
Max Drawdown (5Y) Largest decline over 5 years	-18.38%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-18.38%	—	—
Current Drawdown Current decline from peak	-0.46%	0.00%	-0.46%
Average Drawdown Average peak-to-trough decline	-3.56%	-5.31%	+1.75%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.98%	0.89%	+0.09%

Volatility

NSIOX vs. EWHYX - Volatility Comparison

The current volatility for Nuveen Strategic Municipal Opportunities Fund (NSIOX) is 0.78%, while Eaton Vance High Yield Municipal Income Fund Class W (EWHYX) has a volatility of 0.98%. This indicates that NSIOX experiences smaller price fluctuations and is considered to be less risky than EWHYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NSIOX	EWHYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.78%	0.98%	-0.20%
Volatility (6M) Calculated over the trailing 6-month period	2.12%	2.57%	-0.45%
Volatility (1Y) Calculated over the trailing 1-year period	2.93%	3.69%	-0.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.50%	5.21%	-0.71%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.69%	5.21%	-0.52%

NSIOX vs. EWHYX - Expense Ratio Comparison

NSIOX has a 0.56% expense ratio, which is higher than EWHYX's 0.18% expense ratio.

Dividends

NSIOX vs. EWHYX - Dividend Comparison

NSIOX's dividend yield for the trailing twelve months is around 4.18%, less than EWHYX's 5.10% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EWHYX Eaton Vance High Yield Municipal Income Fund Class W	5.10%	5.06%	4.92%	3.97%	4.60%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
NSIOX Nuveen Strategic Municipal Opportunities Fund	4.18%	4.53%	3.91%	3.85%	4.20%	4.25%	2.88%	3.25%	3.12%	3.22%	4.09%	2.48%

Frequently Asked Questions

Can I hold both NSIOX and EWHYX in my portfolio?

NSIOX and EWHYX have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NSIOX or EWHYX?

EWHYX has higher volatility (0.98%) compared to NSIOX (0.78%). In terms of maximum drawdown, NSIOX dropped -18.38% vs EWHYX's -16.52%.

Which has better risk-adjusted returns?

EWHYX currently has the higher Sharpe Ratio (2.67 vs 2.04), 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.