BLDR vs BP: Correlation
Measured on weekly returns over the past three years, Builders FirstSource (BLDR) and BP p.l.c. (BP) carry a correlation of -0.17, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BLDR and BP?
Over the past 3 years, BLDR and BP moved with a correlation of -0.17, which is negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.48 versus -0.17 over 3 years. Over 5 years the correlation is -0.03, and the annualized covariance of weekly returns is -205.7 %².
By 3-year correlation, BP places #40 of the 48 assets tracked against BLDR. The last year tells two different stories: BP led by 80.2 percentage points, -52.6% for BLDR against +27.6% for BP. Risk is not evenly split, since BLDR carries 1.7 times the volatility of the other side.
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 BP: side by side
| BLDR (Builders FirstSource) | BP (BP p.l.c.) | |
|---|---|---|
| 1-year return | -52.6% | +27.6% |
| 5-year return | +25.8% | +119.9% |
| Volatility (ann.) | 45.6% | 26.6% |
| Beta vs S&P 500 | 1.36 | 0.06 |
| Max drawdown (3Y) | -68.7% | -30.6% |
| Market cap | $7.2B | $109.0B |
| P/E (trailing) | 74.7 | 20.3 |
| Dividend yield | 0.00% | 0.79% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | BLDR | BP |
|---|---|---|
| 2022 | -24.3% | +37.0% |
| 2023 | +157.3% | +6.0% |
| 2024 | -14.4% | -11.8% |
| 2025 | -28.0% | +24.5% |
| 2026 | -34.7% | +26.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BLDR and BP good diversifiers for each other?
Yes: at -0.17, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BLDR and BP?
The BLDR/BP correlation stands at -0.17 on a 3-year window (1 year: -0.48, 5 years: -0.03), computed from weekly returns as of 2026-08-27.
Is BP a good diversifier for BLDR?
Yes: at -0.17, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.17 mean?
A reading of -0.17 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
$ curl https://www.pairbook.io/api/v1/pairs/bldr-vs-bp.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bldr-vs-bp/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BLDR correlations · BP correlations
