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NZF vs SPY: Correlation

Measured on weekly returns over the past three years, Nuveen Municipal Credit Income Fund (NZF) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.37, a moderate link.

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

Correlation (3Y)
0.37
moderate
Correlation (1Y)
0.44
last 12 months
Correlation (5Y)
0.48
long-run
Ann. covariance
63.0
%² · weekly, annualized

How correlated are NZF and SPY?

On 3 years of weekly data the NZF/SPY correlation comes out at 0.37, moderate. Little has changed lately, as the 1-year reading of 0.44 lands near the 3-year figure. The 5-year figure is 0.48, and annualized covariance runs at 63.0 %².

SPY is close to the least connected end of NZF's tracked universe, ranking #21 of 25. Over the last 12 months SPY came out ahead by 9.8 percentage points (+10.8% against +20.6%).

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.

NZF vs SPY: side by side

NZF (Nuveen Municipal Credit Income Fund)SPY (SPDR S&P 500 ETF Trust)
1-year return+10.8%+20.6%
5-year return-4.1%+82.4%
Volatility (ann.)11.6%14.5%
Beta vs S&P 5000.301.00
Max drawdown (3Y)-12.4%-18.8%
Market cap$2.4B
P/E (trailing)13.5
Dividend yield7.80%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: NZF 7.80% vs 1.01%Smaller drawdown: NZF -12.4% vs -18.8%Higher 5y return: SPY +82.4% vs -4.1%

SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-1%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. NZF · SPY

Year-by-year returns

YearNZFSPY
2022-25.5%-18.2%
2023+2.5%+26.2%
2024+10.1%+24.9%
2025+11.8%+17.7%
2026+2.4%+13.7%

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

Are NZF and SPY good diversifiers for each other?

Reasonably. At 0.37, NZF and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between NZF and SPY?

Using weekly returns as of 2026-08-27: 0.37 over 3 years, with 0.44 over the last year and 0.48 over 5 years.

Is SPY a good diversifier for NZF?

Reasonably. At 0.37, NZF and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.37 mean?

A reading of 0.37 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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NZF vs SPY: 3-year weekly correlation 0.37NZF vs SPY0.37

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Hubs: NZF correlations · SPY correlations