BLDR vs SSD: Correlation
Builders FirstSource (BLDR) and Simpson Manufacturing Company, Inc. (SSD) show a strong relationship: their 3-year correlation of weekly returns is 0.69.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BLDR and SSD?
Across a 3-year window, the weekly returns of BLDR and SSD correlate at 0.69, strong. Recent behaviour matches the longer record: 0.65 over 1 year against 0.69 over 3. Stretching to 5 years gives 0.70, with an annualized covariance of 927.3 %².
By 3-year correlation, SSD places #20 of the 48 assets tracked against BLDR. Correlation aside, the last 12 months split them widely, with SSD ahead by 47.3 points (-52.6% versus -5.3%). One caveat on sizing: BLDR is 1.5 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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 SSD: side by side
| BLDR (Builders FirstSource) | SSD (Simpson Manufacturing Company, Inc.) | |
|---|---|---|
| 1-year return | -52.6% | -5.3% |
| 5-year return | +25.8% | +65.7% |
| Volatility (ann.) | 45.6% | 29.5% |
| Beta vs S&P 500 | 1.36 | 0.89 |
| Max drawdown (3Y) | -68.7% | -34.4% |
| Market cap | $7.2B | $7.5B |
| P/E (trailing) | 74.7 | 20.3 |
| Dividend yield | 0.00% | 0.63% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | BLDR | SSD |
|---|---|---|
| 2022 | -24.3% | -35.6% |
| 2023 | +157.3% | +125.4% |
| 2024 | -14.4% | -15.7% |
| 2025 | -28.0% | -1.9% |
| 2026 | -34.7% | +13.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BLDR and SSD good diversifiers for each other?
To a limited degree. At 0.69 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 SSD?
The BLDR/SSD correlation stands at 0.69 on a 3-year window (1 year: 0.65, 5 years: 0.70), computed from weekly returns as of 2026-08-27.
Is SSD a good diversifier for BLDR?
To a limited degree. At 0.69 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 0.69 mean?
A reading of 0.69 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-ssd.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bldr-vs-ssd/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BLDR correlations · SSD correlations
