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UNP vs VXZ: Correlation

Union Pacific Corporation (UNP) and iPath Series B S&P 500 VIX Mid-Term Futures ETN (VXZ) show a negative relationship: their 3-year correlation of weekly returns is -0.38.

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

Correlation (3Y)
-0.38
negative
Correlation (1Y)
-0.11
last 12 months
Correlation (5Y)
-0.39
long-run
Ann. covariance
-198.3
%² · weekly, annualized

How correlated are UNP and VXZ?

On 3 years of weekly data the UNP/VXZ correlation comes out at -0.38, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.11 versus -0.38 over 3 years. The 5-year figure is -0.39, and annualized covariance runs at -198.3 %².

VXZ is close to the least connected end of UNP's tracked universe, ranking #33 of 33. Correlation aside, the last 12 months split them widely, with UNP ahead by 58.5 points (+42.4% versus -16.1%).

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.

UNP vs VXZ: side by side

UNP (Union Pacific Corporation)VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN)
1-year return+42.4%-16.1%
5-year return+56.5%-53.1%
Volatility (ann.)20.6%25.6%
Beta vs S&P 5000.56-1.31
Max drawdown (3Y)-17.8%-36.4%
Market cap$182.8B
P/E (trailing)25.1
Dividend yield1.78%
Sector / categoryIndustrialsUS Listed
Smaller drawdown: UNP -17.8% vs -36.4%Higher 5y return: UNP +56.5% vs -53.1%
-16%0%+42%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. UNP · VXZ

Year-by-year returns

YearUNPVXZ
2022-15.9%+0.5%
2023+21.6%-44.0%
2024-5.1%-12.7%
2025+3.9%+5.7%
2026+34.4%-10.5%

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

Are UNP and VXZ good diversifiers for each other?

Yes: at -0.38, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between UNP and VXZ?

The UNP/VXZ correlation stands at -0.38 on a 3-year window (1 year: -0.11, 5 years: -0.39), computed from weekly returns as of 2026-08-27.

Is VXZ a good diversifier for UNP?

Yes: at -0.38, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.38 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

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

UNP vs VXZ: 3-year weekly correlation -0.38UNP vs VXZ-0.38

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

[![UNP vs VXZ correlation](https://www.pairbook.io/api/v1/badge/unp-vs-vxz.svg)](https://www.pairbook.io/pair/unp-vs-vxz/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: UNP correlations · VXZ correlations