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BLDR vs KBH: Correlation

How closely do Builders FirstSource (BLDR) and KB Home (KBH) trade together? Their weekly returns over three years give a correlation of 0.73, which is strong.

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

Correlation (3Y)
0.73
strong
Correlation (1Y)
0.69
last 12 months
Correlation (5Y)
0.69
long-run
Ann. covariance
1183.7
%² · weekly, annualized

How correlated are BLDR and KBH?

Over the past 3 years, BLDR and KBH moved with a correlation of 0.73, which is strong. The relationship has been stable: the 1-year correlation (0.69) sits close to the 3-year figure. Over 5 years the correlation is 0.69, and the annualized covariance of weekly returns is 1183.7 %².

By 3-year correlation, KBH places #9 of the 48 assets tracked against BLDR. Correlation aside, the last 12 months split them widely, with KBH ahead by 40.5 points (-52.6% versus -12.1%).

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.

BLDR vs KBH: side by side

BLDR (Builders FirstSource)KBH (KB Home)
1-year return-52.6%-12.1%
5-year return+25.8%+37.4%
Volatility (ann.)45.6%35.8%
Beta vs S&P 5001.360.78
Max drawdown (3Y)-68.7%-48.3%
Market cap$7.2B
P/E (trailing)74.713.6
Dividend yield0.00%1.78%
Sector / categoryIndustrialsUS Listed
Lower P/E: KBH 13.6 vs 74.7Higher yield: KBH 1.78% vs 0.00%Smaller drawdown: KBH -48.3% vs -68.7%Higher 5y return: KBH +37.4% vs +25.8%
-56%0%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). BLDR · KBH

Year-by-year returns

YearBLDRKBH
2022-24.3%-27.5%
2023+157.3%+99.0%
2024-14.4%+6.6%
2025-28.0%-12.7%
2026-34.7%-1.7%

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

Are BLDR and KBH good diversifiers for each other?

To a limited degree. At 0.73 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between BLDR and KBH?

As of 2026-08-27, the correlation of weekly returns between BLDR and KBH is 0.73 over 3 years, 0.69 over 1 year and 0.69 over 5 years.

Is KBH a good diversifier for BLDR?

To a limited degree. At 0.73 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.73 mean?

A reading of 0.73 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/bldr-vs-kbh.json

BLDR vs KBH: 3-year weekly correlation 0.73BLDR vs KBH0.73

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Related comparisons

Hubs: BLDR correlations · KBH correlations