NIM vs. RMMZ

Last updated Apr 1, 2026

Compare and contrast key facts about Nuveen Select Maturities Municipal Fund (NIM) and RiverNorth Managed Duration Municipal Income Fund II Inc. (RMMZ).

NIM is managed by Nuveen. It was launched on Sep 18, 1992. RMMZ is managed by RiverNorth.

Performance

NIM vs. RMMZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nuveen Select Maturities Municipal Fund (NIM) and RiverNorth Managed Duration Municipal Income Fund II Inc. (RMMZ). The values are adjusted to include any dividend payments, if applicable.

NIM vs. RMMZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
NIM Nuveen Select Maturities Municipal Fund	2.42%	10.88%	2.74%	0.75%	-7.41%
RMMZ RiverNorth Managed Duration Municipal Income Fund II Inc.	3.01%	4.99%	2.72%	11.22%	-12.90%

Returns By Period

In the year-to-date period, NIM achieves a 2.42% return, which is significantly lower than RMMZ's 3.01% return.

NIM

• 1D: 1.94%
• 1M: -2.03%
• YTD: 2.42%
• 6M: 3.94%
• 1Y: 5.17%
• 3Y*: 4.61%
• 5Y*: 0.77%
• 10Y*: 2.14%

RMMZ

• 1D: 0.00%
• 1M: -1.11%
• YTD: 3.01%
• 6M: 1.64%
• 1Y: 4.20%
• 3Y*: 6.91%
• 5Y*: —
• 10Y*: —

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

NIM vs. RMMZ - Expense Ratio Comparison

NIM

Nuveen Select Maturities Municipal Fund

Return for Risk

NIM vs. RMMZ — Risk / Return Rank

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

NIM

NIM Risk / Return Rank: 24
NIM Sharpe Ratio Rank: 18
NIM Sortino Ratio Rank: 17
NIM Omega Ratio Rank: 15
NIM Calmar Ratio Rank: 39
NIM Martin Ratio Rank: 29

RMMZ

RMMZ Risk / Return Rank: 13
RMMZ Sharpe Ratio Rank: 13
RMMZ Sortino Ratio Rank: 12
RMMZ Omega Ratio Rank: 11
RMMZ Calmar Ratio Rank: 15
RMMZ Martin Ratio Rank: 12

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.

NIM vs. RMMZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nuveen Select Maturities Municipal Fund (NIM) and RiverNorth Managed Duration Municipal Income Fund II Inc. (RMMZ). 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.

	NIM	RMMZ	Difference
Sharpe ratio Return per unit of total volatility	0.51	0.38	+0.13
Sortino ratio Return per unit of downside risk	0.80	0.62	+0.18
Omega ratio Gain probability vs. loss probability	1.10	1.08	+0.03
Calmar ratio Return relative to maximum drawdown	1.05	0.46	+0.59
Martin ratio Return relative to average drawdown	3.21	1.06	+2.16
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NIM vs. RMMZ - Sharpe Ratio Comparison

The current NIM Sharpe Ratio is 0.51, which is higher than the RMMZ Sharpe Ratio of 0.38. The chart below compares the historical Sharpe Ratios of NIM and RMMZ, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	NIM	RMMZ	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.51	0.38	+0.13
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.07	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.20	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.24	0.10	+0.14

Correlation

The correlation between NIM and RMMZ is 0.25, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

NIM vs. RMMZ - Dividend Comparison

NIM's dividend yield for the trailing twelve months is around 3.60%, less than RMMZ's 7.65% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NIM Nuveen Select Maturities Municipal Fund	3.60%	3.61%	4.10%	3.49%	2.88%	2.69%	3.42%	3.03%	3.27%	3.15%	3.23%	3.27%
RMMZ RiverNorth Managed Duration Municipal Income Fund II Inc.	7.65%	7.86%	7.82%	7.45%	6.86%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

NIM vs. RMMZ - Drawdown Comparison

The maximum NIM drawdown since its inception was -23.09%, smaller than the maximum RMMZ drawdown of -27.15%. Use the drawdown chart below to compare losses from any high point for NIM and RMMZ.

Drawdown Indicators

	NIM	RMMZ	Difference
Max Drawdown Largest peak-to-trough decline	-23.09%	-27.15%	+4.06%
Max Drawdown (1Y) Largest decline over 1 year	-6.03%	-8.45%	+2.42%
Max Drawdown (5Y) Largest decline over 5 years	-19.96%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-19.96%	—	—
Current Drawdown Current decline from peak	-4.21%	-2.19%	-2.02%
Average Drawdown Average peak-to-trough decline	-5.93%	-10.03%	+4.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.96%	3.68%	-1.72%

Volatility

NIM vs. RMMZ - Volatility Comparison

The current volatility for Nuveen Select Maturities Municipal Fund (NIM) is 4.49%, while RiverNorth Managed Duration Municipal Income Fund II Inc. (RMMZ) has a volatility of 4.93%. This indicates that NIM experiences smaller price fluctuations and is considered to be less risky than RMMZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NIM	RMMZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.49%	4.93%	-0.44%
Volatility (6M) Calculated over the trailing 6-month period	7.22%	7.76%	-0.54%
Volatility (1Y) Calculated over the trailing 1-year period	10.17%	11.02%	-0.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.66%	17.68%	-7.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.78%	17.68%	-6.90%