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UNP vs VXX: Correlation

Measured on weekly returns over the past three years, Union Pacific Corporation (UNP) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) carry a correlation of -0.34, a negative link.

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

Correlation (3Y)
-0.34
negative
Correlation (1Y)
0.01
last 12 months
Correlation (5Y)
-0.33
long-run
Ann. covariance
-420.7
%² · weekly, annualized

How correlated are UNP and VXX?

Across a 3-year window, the weekly returns of UNP and VXX correlate at -0.34, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.01) than the 3-year average (-0.34). Stretching to 5 years gives -0.33, with an annualized covariance of -420.7 %².

Out of 33 assets tracked against UNP, VXX lands near the bottom at #32. Their recent paths diverged sharply: over the last 12 months UNP outperformed by 92.1 percentage points (+42.4% for UNP against -49.7% for VXX). Risk is not evenly split, since VXX carries 3.0 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.

UNP vs VXX: side by side

UNP (Union Pacific Corporation)VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN)
1-year return+42.4%-49.7%
5-year return+56.5%-95.6%
Volatility (ann.)20.6%60.9%
Beta vs S&P 5000.56-3.31
Max drawdown (3Y)-17.8%-83.3%
Market cap$182.8B
P/E (trailing)25.1
Dividend yield1.78%0.00%
Sector / categoryIndustrialsUS Listed
Higher yield: UNP 1.78% vs 0.00%Smaller drawdown: UNP -17.8% vs -83.3%Higher 5y return: UNP +56.5% vs -95.6%
-49%0%+42%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. UNP · VXX

Year-by-year returns

YearUNPVXX
2022-15.9%-23.8%
2023+21.6%-72.5%
2024-5.1%-26.2%
2025+3.9%-42.2%
2026+34.4%-31.6%

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

Are UNP and VXX good diversifiers for each other?

Yes: at -0.34, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between UNP and VXX?

Using weekly returns as of 2026-08-27: -0.34 over 3 years, with 0.01 over the last year and -0.33 over 5 years.

Is VXX a good diversifier for UNP?

Yes: at -0.34, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.34 mean?

A reading of -0.34 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/unp-vs-vxx.json

UNP vs VXX: 3-year weekly correlation -0.34UNP vs VXX-0.34

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Related comparisons

Hubs: UNP correlations · VXX correlations