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NAD vs SHY: Correlation

How closely do Nuveen Quality Municipal Income Fund (NAD) and iShares 1-3 Year Treasury Bond ETF (SHY) trade together? Their weekly returns over three years give a correlation of 0.52, which is moderate.

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

Correlation (3Y)
0.52
moderate
Correlation (1Y)
0.54
last 12 months
Correlation (5Y)
0.45
long-run
Ann. covariance
8.9
%² · weekly, annualized

How correlated are NAD and SHY?

Over the past 3 years, NAD and SHY moved with a correlation of 0.52, which is moderate. Little has changed lately, as the 1-year reading of 0.54 lands near the 3-year figure. Over 5 years the correlation is 0.45, and the annualized covariance of weekly returns is 8.9 %².

By 3-year correlation, SHY places #21 of the 26 assets tracked against NAD. Over the last 12 months NAD came out ahead by 9.6 percentage points (+12.1% against +2.5%). One caveat on sizing: NAD is 6.9 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

NAD vs SHY: side by side

NAD (Nuveen Quality Municipal Income Fund)SHY (iShares 1-3 Year Treasury Bond ETF)
1-year return+12.1%+2.5%
5-year return-2.4%+9.6%
Volatility (ann.)11.0%1.6%
Beta vs S&P 5000.270.00
Max drawdown (3Y)-11.7%-1.0%
Market cap$2.7B
P/E (trailing)14.9
Dividend yield7.38%3.65%
Expense ratio0.15%
Assets under management$25.1B
Sector / categoryUS ListedETF · Bonds
Higher yield: NAD 7.38% vs 3.65%Smaller drawdown: SHY -1.0% vs -11.7%Higher 5y return: SHY +9.6% vs -2.4%

SHY, iShares's Short Government fund, carries $25.1B under management, a 0.15% expense ratio, a 3.65% trailing dividend yield.

0%+11%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. NAD · SHY

Year-by-year returns

YearNADSHY
2022-22.8%-3.9%
2023+1.3%+4.2%
2024+8.8%+3.9%
2025+11.4%+5.0%
2026+2.5%+1.1%

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

Are NAD and SHY good diversifiers for each other?

To a limited degree. At 0.52 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 NAD and SHY?

The NAD/SHY correlation stands at 0.52 on a 3-year window (1 year: 0.54, 5 years: 0.45), computed from weekly returns as of 2026-08-27.

Is SHY a good diversifier for NAD?

To a limited degree. At 0.52 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 0.52 mean?

A reading of 0.52 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/nad-vs-shy.json

NAD vs SHY: 3-year weekly correlation 0.52NAD vs SHY0.52

Drop this badge in a README or notebook; it updates with the data:

[![NAD vs SHY correlation](https://www.pairbook.io/api/v1/badge/nad-vs-shy.svg)](https://www.pairbook.io/pair/nad-vs-shy/)

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: NAD correlations · SHY correlations