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NCA vs VXZ: Correlation

How closely do Nuveen California Municipal Value Fund (NCA) and iPath Series B S&P 500 VIX Mid-Term Futures ETN (VXZ) trade together? Their weekly returns over three years give a correlation of -0.24, which is negative.

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

Correlation (3Y)
-0.24
negative
Correlation (1Y)
-0.25
last 12 months
Correlation (5Y)
-0.28
long-run
Ann. covariance
-75.1
%² · weekly, annualized

How correlated are NCA and VXZ?

Over the past 3 years, NCA and VXZ moved with a correlation of -0.24, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.25) sits close to the 3-year figure. Over 5 years the correlation is -0.28, and the annualized covariance of weekly returns is -75.1 %².

VXZ is close to the least connected end of NCA's tracked universe, ranking #10 of 10. The last year tells two different stories: NCA led by 27.6 percentage points, +11.5% for NCA against -16.1% for VXZ. Risk is not evenly split, since VXZ carries 2.1 times the volatility of the other side.

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.

NCA vs VXZ: side by side

NCA (Nuveen California Municipal Value Fund)VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN)
1-year return+11.5%-16.1%
5-year return+2.8%-53.1%
Volatility (ann.)12.3%25.6%
Beta vs S&P 5000.30-1.31
Max drawdown (3Y)-10.6%-36.4%
Market cap
P/E (trailing)25.9
Dividend yield3.83%
Sector / categoryUS ListedUS Listed
Smaller drawdown: NCA -10.6% vs -36.4%Higher 5y return: NCA +2.8% vs -53.1%
-16%0%+15%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. NCA · VXZ

Year-by-year returns

YearNCAVXZ
2022-13.5%+0.5%
2023+10.4%-44.0%
2024-1.9%-12.7%
2025+10.3%+5.7%
2026+4.1%-10.5%

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

Are NCA and VXZ good diversifiers for each other?

Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between NCA and VXZ?

The NCA/VXZ correlation stands at -0.24 on a 3-year window (1 year: -0.25, 5 years: -0.28), computed from weekly returns as of 2026-08-27.

Is VXZ a good diversifier for NCA?

Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.24 mean?

A reading of -0.24 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/nca-vs-vxz.json

NCA vs VXZ: 3-year weekly correlation -0.24NCA vs VXZ-0.24

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Hubs: NCA correlations · VXZ correlations