PairBook
HomeBA › BA vs HWM

BA vs HWM: Correlation

Boeing (BA) and Howmet Aerospace (HWM) show a moderate relationship: their 3-year correlation of weekly returns is 0.42.

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

Correlation (3Y)
0.42
moderate
Correlation (1Y)
0.30
last 12 months
Correlation (5Y)
0.51
long-run
Ann. covariance
493.0
%² · weekly, annualized

How correlated are BA and HWM?

Over the past 3 years, BA and HWM moved with a correlation of 0.42, which is moderate. The past 12 months show a weaker link (0.30) than the 3-year average (0.42). Over 5 years the correlation is 0.51, and the annualized covariance of weekly returns is 493.0 %².

Within BA's tracked universe of 37 assets, HWM comes in at #23 by 3-year correlation. Correlation aside, the last 12 months split them widely, with HWM ahead by 63.6 points (-10.9% versus +52.7%). On a rolling one-year basis the correlation drifted between 0.18 and 0.64, a moderate band.

+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.

BA vs HWM: side by side

BA (Boeing)HWM (Howmet Aerospace)
1-year return-10.9%+52.7%
5-year return-3.6%+754.4%
Volatility (ann.)36.4%32.1%
Beta vs S&P 5001.431.24
Max drawdown (3Y)-48.3%-19.4%
Market cap$165.9B$106.7B
P/E (trailing)76.358.2
Dividend yield0.00%0.18%
Sector / categoryIndustrialsIndustrials
Lower P/E: HWM 58.2 vs 76.3Higher yield: HWM 0.18% vs 0.00%Smaller drawdown: HWM -19.4% vs -48.3%Higher 5y return: HWM +754.4% vs -3.6%
-22%0%+63%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BA · HWM

Year-by-year returns

YearBAHWM
2022-5.4%+24.2%
2023+36.8%+37.8%
2024-32.1%+102.7%
2025+22.7%+88.0%
2026-3.3%+30.7%

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

Are BA and HWM good diversifiers for each other?

Reasonably. At 0.42, BA and HWM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between BA and HWM?

The BA/HWM correlation stands at 0.42 on a 3-year window (1 year: 0.30, 5 years: 0.51), computed from weekly returns as of 2026-08-27.

Is HWM a good diversifier for BA?

Reasonably. At 0.42, BA and HWM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.42 mean?

A reading of 0.42 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-hwm.json

BA vs HWM: 3-year weekly correlation 0.42BA vs HWM0.42

Markdown for the live badge, attribution link included:

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

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: BA correlations · HWM correlations