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BLDR vs POOL: Correlation

How closely do Builders FirstSource (BLDR) and Pool Corporation (POOL) trade together? Their weekly returns over three years give a correlation of 0.67, which is strong.

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

Correlation (3Y)
0.67
strong
Correlation (1Y)
0.68
last 12 months
Correlation (5Y)
0.65
long-run
Ann. covariance
995.9
%² · weekly, annualized

How correlated are BLDR and POOL?

Over the past 3 years, BLDR and POOL moved with a correlation of 0.67, which is strong. Little has changed lately, as the 1-year reading of 0.68 lands near the 3-year figure. Over 5 years the correlation is 0.65, and the annualized covariance of weekly returns is 995.9 %².

Within BLDR's tracked universe of 48 assets, POOL comes in at #23 by 3-year correlation. Over the last 12 months POOL came out ahead by 12.6 percentage points (-52.6% against -40.0%).

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 POOL: side by side

BLDR (Builders FirstSource)POOL (Pool Corporation)
1-year return-52.6%-40.0%
5-year return+25.8%-59.3%
Volatility (ann.)45.6%32.4%
Beta vs S&P 5001.360.80
Max drawdown (3Y)-68.7%-56.8%
Market cap$7.2B$6.8B
P/E (trailing)74.717.1
Dividend yield0.00%2.68%
Sector / categoryIndustrialsUS Listed
Lower P/E: POOL 17.1 vs 74.7Higher yield: POOL 2.68% vs 0.00%Smaller drawdown: POOL -56.8% vs -68.7%Higher 5y return: BLDR +25.8% vs -59.3%
-56%0%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BLDR · POOL

Year-by-year returns

YearBLDRPOOL
2022-24.3%-46.0%
2023+157.3%+33.5%
2024-14.4%-13.4%
2025-28.0%-31.8%
2026-34.7%-17.0%

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

Are BLDR and POOL good diversifiers for each other?

Only partially. A correlation of 0.67 means BLDR and POOL 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 BLDR and POOL?

Using weekly returns as of 2026-08-27: 0.67 over 3 years, with 0.68 over the last year and 0.65 over 5 years.

Is POOL a good diversifier for BLDR?

Only partially. A correlation of 0.67 means BLDR and POOL share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.67 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/bldr-vs-pool.json

BLDR vs POOL: 3-year weekly correlation 0.67BLDR vs POOL0.67

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[![BLDR vs POOL correlation](https://www.pairbook.io/api/v1/badge/bldr-vs-pool.svg)](https://www.pairbook.io/pair/bldr-vs-pool/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: BLDR correlations · POOL correlations