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IIM vs RMM: Correlation

Measured on weekly returns over the past three years, Invesco Value Municipal Income Trust (IIM) and RiverNorth Managed Duration Municipal Income Fund, Inc. (RMM) carry a correlation of 0.74, a strong link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.74
strong
Correlation (1Y)
0.76
last 12 months
Correlation (5Y)
0.67
long-run
Ann. covariance
134.4
%² · weekly, annualized

How correlated are IIM and RMM?

Across a 3-year window, the weekly returns of IIM and RMM correlate at 0.74, strong. Recent behaviour matches the longer record: 0.76 over 1 year against 0.74 over 3. Stretching to 5 years gives 0.67, with an annualized covariance of 134.4 %².

By 3-year correlation, RMM places #9 of the 17 assets tracked against IIM. Twelve-month performance is nearly a tie, at +16.5% for IIM and +14.2% for RMM.

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

IIM vs RMM: side by side

IIM (Invesco Value Municipal Income Trust)RMM (RiverNorth Managed Duration Municipal Income Fund, Inc.)
1-year return+16.5%+14.2%
5-year return+0.6%-4.9%
Volatility (ann.)12.7%14.3%
Beta vs S&P 5000.310.41
Max drawdown (3Y)-13.2%-18.8%
Market cap$0.6B$0.3B
P/E (trailing)31.674.7
Dividend yield7.32%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: IIM 31.6 vs 74.7Higher yield: IIM 7.32% vs 0.00%Smaller drawdown: IIM -13.2% vs -18.8%Higher 5y return: IIM +0.6% vs -4.9%
0%+17%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. IIM · RMM

Year-by-year returns

YearIIMRMM
2022-25.4%-23.4%
2023+2.1%+5.9%
2024+8.1%+9.3%
2025+11.9%+2.1%
2026+7.6%+9.3%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are IIM and RMM good diversifiers for each other?

To a limited degree. At 0.74 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between IIM and RMM?

As of 2026-08-27, the correlation of weekly returns between IIM and RMM is 0.74 over 3 years, 0.76 over 1 year and 0.67 over 5 years.

Is RMM a good diversifier for IIM?

To a limited degree. At 0.74 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.74 mean?

A reading of 0.74 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

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IIM vs RMM: 3-year weekly correlation 0.74IIM vs RMM0.74

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Related comparisons

Hubs: IIM correlations · RMM correlations