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BA vs UAL: Correlation

Measured on weekly returns over the past three years, Boeing (BA) and United Airlines Holdings (UAL) carry a correlation of 0.46, a moderate link.

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

Correlation (3Y)
0.46
moderate
Correlation (1Y)
0.42
last 12 months
Correlation (5Y)
0.48
long-run
Ann. covariance
771.3
%² · weekly, annualized

How correlated are BA and UAL?

Across a 3-year window, the weekly returns of BA and UAL correlate at 0.46, moderate. Little has changed lately, as the 1-year reading of 0.42 lands near the 3-year figure. Stretching to 5 years gives 0.48, with an annualized covariance of 771.3 %².

Among the 37 assets we track against BA, UAL ranks #19 by 3-year correlation. Correlation aside, the last 12 months split them widely, with UAL ahead by 18.7 points (-10.9% versus +7.8%). The rolling one-year correlation moved between 0.20 and 0.67 over the past three years, a moderate range.

+1.0+0.50-0.5-1.020232026-08-27
How the one-year correlation itself moved over the past 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.

BA vs UAL: side by side

BA (Boeing)UAL (United Airlines Holdings)
1-year return-10.9%+7.8%
5-year return-3.6%+144.8%
Volatility (ann.)36.4%46.6%
Beta vs S&P 5001.431.33
Max drawdown (3Y)-48.3%-49.2%
Market cap$165.9B$36.5B
P/E (trailing)76.310.8
Dividend yield0.00%0.00%
Sector / categoryIndustrialsIndustrials
Lower P/E: UAL 10.8 vs 76.3Smaller drawdown: BA -48.3% vs -49.2%Higher 5y return: UAL +144.8% vs -3.6%
-22%0%+28%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BA · UAL

Year-by-year returns

YearBAUAL
2022-5.4%-13.9%
2023+36.8%+9.4%
2024-32.1%+135.3%
2025+22.7%+15.2%
2026-3.3%+0.5%

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

Are BA and UAL good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.46 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between BA and UAL?

The BA/UAL correlation stands at 0.46 on a 3-year window (1 year: 0.42, 5 years: 0.48), computed from weekly returns as of 2026-08-27.

Is UAL a good diversifier for BA?

Yes, to a useful degree: a correlation of 0.46 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.46 mean?

A reading of 0.46 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/ba-vs-ual.json

BA vs UAL: 3-year weekly correlation 0.46BA vs UAL0.46

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

[![BA vs UAL correlation](https://www.pairbook.io/api/v1/badge/ba-vs-ual.svg)](https://www.pairbook.io/pair/ba-vs-ual/)

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

Related comparisons

Hubs: BA correlations · UAL correlations