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
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 500 | 1.36 | 0.80 |
| Max drawdown (3Y) | -68.7% | -56.8% |
| Market cap | $7.2B | $6.8B |
| P/E (trailing) | 74.7 | 17.1 |
| Dividend yield | 0.00% | 2.68% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | BLDR | POOL |
|---|---|---|
| 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
$ curl https://www.pairbook.io/api/v1/pairs/bldr-vs-pool.json
Drop this badge in a README or notebook; it updates with the data:
[](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