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MDU vs VXX: Correlation

Measured on weekly returns over the past three years, MDU Resources Group, Inc. (MDU) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) carry a correlation of -0.27, a negative link.

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

Correlation (3Y)
-0.27
negative
Correlation (1Y)
0.12
last 12 months
Correlation (5Y)
-0.32
long-run
Ann. covariance
-419.3
%² · weekly, annualized

How correlated are MDU and VXX?

On 3 years of weekly data the MDU/VXX correlation comes out at -0.27, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.12) than the 3-year average (-0.27). The 5-year figure is -0.32, and annualized covariance runs at -419.3 %².

VXX is close to the least connected end of MDU's tracked universe, ranking #9 of 11. Their recent paths diverged sharply: over the last 12 months MDU outperformed by 76.0 percentage points (+26.3% for MDU against -49.7% for VXX). One caveat on sizing: VXX is 2.4 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.

MDU vs VXX: side by side

MDU (MDU Resources Group, Inc.)VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN)
1-year return+26.3%-49.7%
5-year return+90.7%-95.6%
Volatility (ann.)25.2%60.9%
Beta vs S&P 5000.55-3.31
Max drawdown (3Y)-21.5%-83.3%
Market cap$4.2B
P/E (trailing)21.7
Dividend yield2.76%0.00%
Sector / categoryUS ListedUS Listed
Higher yield: MDU 2.76% vs 0.00%Smaller drawdown: MDU -21.5% vs -83.3%Higher 5y return: MDU +90.7% vs -95.6%
-49%0%+43%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. MDU · VXX

Year-by-year returns

YearMDUVXX
2022+1.5%-23.8%
2023-1.9%-72.5%
2024+68.0%-26.2%
2025+11.8%-42.2%
2026+4.8%-31.6%

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

Are MDU and VXX good diversifiers for each other?

Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between MDU and VXX?

Using weekly returns as of 2026-08-27: -0.27 over 3 years, with 0.12 over the last year and -0.32 over 5 years.

Is VXX a good diversifier for MDU?

Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.27 mean?

A reading of -0.27 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/mdu-vs-vxx.json

MDU vs VXX: 3-year weekly correlation -0.27MDU vs VXX-0.27

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Hubs: MDU correlations · VXX correlations