PairBook
HomeODFL › ODFL vs UNP

ODFL vs UNP: Correlation

Old Dominion (ODFL) and Union Pacific Corporation (UNP) show a moderate relationship: their 3-year correlation of weekly returns is 0.51.

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

Correlation (3Y)
0.51
moderate
Correlation (1Y)
0.47
last 12 months
Correlation (5Y)
0.55
long-run
Ann. covariance
365.4
%² · weekly, annualized

How correlated are ODFL and UNP?

On 3 years of weekly data the ODFL/UNP correlation comes out at 0.51, moderate. The relationship has been stable: the 1-year correlation (0.47) sits close to the 3-year figure. The 5-year figure is 0.55, and annualized covariance runs at 365.4 %².

By 3-year correlation, UNP places #21 of the 36 assets tracked against ODFL. Over the last 12 months UNP came out ahead by 11.5 percentage points (+30.9% against +42.4%). Across three years, the rolling one-year figure varied moderately, from 0.23 to 0.69. One caveat on sizing: ODFL is 1.7 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last three years.
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.

ODFL vs UNP: side by side

ODFL (Old Dominion)UNP (Union Pacific Corporation)
1-year return+30.9%+42.4%
5-year return+39.6%+56.5%
Volatility (ann.)34.7%20.6%
Beta vs S&P 5000.980.56
Max drawdown (3Y)-45.2%-17.8%
Market cap$41.6B$182.8B
P/E (trailing)38.325.1
Dividend yield0.57%1.78%
Sector / categoryIndustrialsIndustrials
Lower P/E: UNP 25.1 vs 38.3Higher yield: UNP 1.78% vs 0.57%Smaller drawdown: UNP -17.8% vs -45.2%Higher 5y return: UNP +56.5% vs +39.6%
-12%0%+64%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. ODFL · UNP

Year-by-year returns

YearODFLUNP
2022-20.5%-15.9%
2023+43.5%+21.6%
2024-12.5%-5.1%
2025-10.5%+3.9%
2026+27.9%+34.4%

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

Are ODFL and UNP good diversifiers for each other?

Only partially. A correlation of 0.51 means ODFL and UNP share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between ODFL and UNP?

Using weekly returns as of 2026-08-27: 0.51 over 3 years, with 0.47 over the last year and 0.55 over 5 years.

Is UNP a good diversifier for ODFL?

Only partially. A correlation of 0.51 means ODFL and UNP share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.51 mean?

A reading of 0.51 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/odfl-vs-unp.json

ODFL vs UNP: 3-year weekly correlation 0.51ODFL vs UNP0.51

Embed this badge (it refreshes with the data), with attribution:

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

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

Related comparisons

Hubs: ODFL correlations · UNP correlations