BLDR vs LEN: Correlation
Measured on weekly returns over the past three years, Builders FirstSource (BLDR) and Lennar (LEN) carry a correlation of 0.75, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BLDR and LEN?
Over the past 3 years, BLDR and LEN moved with a correlation of 0.75, which is strong. The relationship has been stable: the 1-year correlation (0.77) sits close to the 3-year figure. Over 5 years the correlation is 0.74, and the annualized covariance of weekly returns is 1117.3 %².
Within BLDR's tracked universe of 48 assets, LEN comes in at #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months LEN outperformed by 17.7 percentage points (-52.6% for BLDR against -34.9% for LEN). Stability stands out here, with the rolling one-year correlation confined to 0.62 through 0.77.
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 LEN: side by side
| BLDR (Builders FirstSource) | LEN (Lennar) | |
|---|---|---|
| 1-year return | -52.6% | -34.9% |
| 5-year return | +25.8% | -11.7% |
| Volatility (ann.) | 45.6% | 32.6% |
| Beta vs S&P 500 | 1.36 | 0.84 |
| Max drawdown (3Y) | -68.7% | -54.5% |
| Market cap | $7.2B | $20.5B |
| P/E (trailing) | 74.7 | 13.7 |
| Dividend yield | 0.00% | 2.29% |
| Sector / category | Industrials | Consumer Discretionary |
Year-by-year returns
| Year | BLDR | LEN |
|---|---|---|
| 2022 | -24.3% | -20.6% |
| 2023 | +157.3% | +66.9% |
| 2024 | -14.4% | -7.3% |
| 2025 | -28.0% | -20.8% |
| 2026 | -34.7% | -15.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BLDR and LEN good diversifiers for each other?
Somewhat, no more. With 0.75 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between BLDR and LEN?
Using weekly returns as of 2026-08-27: 0.75 over 3 years, with 0.77 over the last year and 0.74 over 5 years.
Is LEN a good diversifier for BLDR?
Somewhat, no more. With 0.75 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.75 mean?
A reading of 0.75 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-len.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bldr-vs-len/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BLDR correlations · LEN correlations
