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AFB vs RSF: Correlation

How closely do AllianceBernstein National Municipal Income Fund Inc (AFB) and RiverNorth Capital and Income Fund (RSF) trade together? Their weekly returns over three years give a correlation of 0.42, which is moderate.

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

Correlation (3Y)
0.42
moderate
Correlation (1Y)
0.05
last 12 months
Correlation (5Y)
0.38
long-run
Ann. covariance
28.3
%² · weekly, annualized

How correlated are AFB and RSF?

Across a 3-year window, the weekly returns of AFB and RSF correlate at 0.42, moderate. The past 12 months show a weaker link (0.05) than the 3-year average (0.42). Stretching to 5 years gives 0.38, with an annualized covariance of 28.3 %².

Within AFB's tracked universe of 24 assets, RSF comes in at #18 by 3-year correlation. Twelve-month performance is nearly a tie, at +10.5% for AFB and +10.1% for RSF. Note the risk asymmetry: AFB runs 2.3 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

AFB vs RSF: side by side

AFB (AllianceBernstein National Municipal Income Fund Inc)RSF (RiverNorth Capital and Income Fund)
1-year return+10.5%+10.1%
5-year return-9.9%+30.6%
Volatility (ann.)12.6%5.4%
Beta vs S&P 5000.260.06
Max drawdown (3Y)-15.1%-5.0%
Market cap$0.1B
P/E (trailing)13.613.3
Dividend yield4.97%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: RSF 13.3 vs 13.6Higher yield: AFB 4.97% vs 0.00%Smaller drawdown: RSF -5.0% vs -15.1%Higher 5y return: RSF +30.6% vs -9.9%
-1%0%+14%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). AFB · RSF

Year-by-year returns

YearAFBRSF
2022-25.9%-1.6%
2023+7.5%+3.8%
2024+4.1%+10.6%
2025+4.4%+4.6%
2026+4.6%+8.8%

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

Are AFB and RSF good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between AFB and RSF?

Using weekly returns as of 2026-08-27: 0.42 over 3 years, with 0.05 over the last year and 0.38 over 5 years.

Is RSF a good diversifier for AFB?

Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.42 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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AFB vs RSF: 3-year weekly correlation 0.42AFB vs RSF0.42

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Hubs: AFB correlations · RSF correlations