JBI vs TREX: Correlation
How closely do Janus International Group, Inc. (JBI) and Trex Company, Inc. (TREX) trade together? Their weekly returns over three years give a correlation of 0.57, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are JBI and TREX?
Across a 3-year window, the weekly returns of JBI and TREX correlate at 0.57, moderate. The link has tightened recently: the 1-year correlation (0.76) runs above the 3-year figure (0.57). Stretching to 5 years gives 0.51, with an annualized covariance of 1181.1 %².
TREX is one of the assets that tracks JBI most closely: it ranks #2 out of the 11 assets we track against JBI. Correlation aside, the last 12 months split them widely, with TREX ahead by 25.3 points (-52.6% versus -27.3%).
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.
JBI vs TREX: side by side
| JBI (Janus International Group, Inc.) | TREX (Trex Company, Inc.) | |
|---|---|---|
| 1-year return | -52.6% | -27.3% |
| 5-year return | -66.6% | -58.7% |
| Volatility (ann.) | 46.0% | 45.3% |
| Beta vs S&P 500 | 1.01 | 1.48 |
| Max drawdown (3Y) | -69.3% | -69.9% |
| Market cap | $0.7B | $4.7B |
| P/E (trailing) | 21.5 | 27.4 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | JBI | TREX |
|---|---|---|
| 2022 | -24.0% | -68.7% |
| 2023 | +37.1% | +95.6% |
| 2024 | -43.7% | -16.6% |
| 2025 | -11.0% | -49.2% |
| 2026 | -24.3% | +31.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are JBI and TREX good diversifiers for each other?
Only partially. A correlation of 0.57 means JBI and TREX 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 JBI and TREX?
As of 2026-08-27, the correlation of weekly returns between JBI and TREX is 0.57 over 3 years, 0.76 over 1 year and 0.51 over 5 years.
Is TREX a good diversifier for JBI?
Only partially. A correlation of 0.57 means JBI and TREX share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.57 mean?
On the −1 to +1 scale, 0.57 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
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Related comparisons
Hubs: JBI correlations · TREX correlations
