AWI vs SSD: Correlation
How closely do Armstrong World Industries Inc (AWI) and Simpson Manufacturing Company, Inc. (SSD) trade together? Their weekly returns over three years give a correlation of 0.61, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AWI and SSD?
Over the past 3 years, AWI and SSD moved with a correlation of 0.61, which is strong. The link has loosened recently: the 1-year correlation (0.46) runs below the 3-year figure (0.61). Over 5 years the correlation is 0.57, and the annualized covariance of weekly returns is 494.0 %².
Within AWI's tracked universe of 15 assets, SSD comes in at #6 by 3-year correlation. The trailing year gives SSD the advantage: -10.5% versus -5.3%, a 5.2-point spread.
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.
AWI vs SSD: side by side
| AWI (Armstrong World Industries Inc) | SSD (Simpson Manufacturing Company, Inc.) | |
|---|---|---|
| 1-year return | -10.5% | -5.3% |
| 5-year return | +76.7% | +65.7% |
| Volatility (ann.) | 27.3% | 29.5% |
| Beta vs S&P 500 | 0.88 | 0.89 |
| Max drawdown (3Y) | -25.2% | -34.4% |
| Market cap | $7.4B | $7.5B |
| P/E (trailing) | 24.3 | 20.3 |
| Dividend yield | 0.76% | 0.63% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AWI | SSD |
|---|---|---|
| 2022 | -40.3% | -35.6% |
| 2023 | +45.4% | +125.4% |
| 2024 | +45.1% | -15.7% |
| 2025 | +36.2% | -1.9% |
| 2026 | -7.6% | +13.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AWI and SSD good diversifiers for each other?
To a limited degree. At 0.61 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 AWI and SSD?
The AWI/SSD correlation stands at 0.61 on a 3-year window (1 year: 0.46, 5 years: 0.57), computed from weekly returns as of 2026-08-27.
Is SSD a good diversifier for AWI?
To a limited degree. At 0.61 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 0.61 mean?
On the −1 to +1 scale, 0.61 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/awi-vs-ssd.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/awi-vs-ssd/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AWI correlations · SSD correlations
