PRGO vs TREX: Correlation
Perrigo Company plc (PRGO) and Trex Company, Inc. (TREX) show a moderate relationship: their 3-year correlation of weekly returns is 0.51.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PRGO and TREX?
Across a 3-year window, the weekly returns of PRGO and TREX correlate at 0.51, moderate. The link has tightened recently: the 1-year correlation (0.63) runs above the 3-year figure (0.51). Stretching to 5 years gives 0.38, with an annualized covariance of 1004.1 %².
TREX is one of the assets that tracks PRGO most closely: it ranks #1 out of the 10 assets we track against PRGO. Over the last 12 months TREX came out ahead by 8.8 percentage points (-36.1% against -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.
PRGO vs TREX: side by side
| PRGO (Perrigo Company plc) | TREX (Trex Company, Inc.) | |
|---|---|---|
| 1-year return | -36.1% | -27.3% |
| 5-year return | -56.9% | -58.7% |
| Volatility (ann.) | 43.6% | 45.3% |
| Beta vs S&P 500 | 0.82 | 1.48 |
| Max drawdown (3Y) | -71.6% | -69.9% |
| Market cap | $2.0B | $4.7B |
| P/E (trailing) | – | 27.4 |
| Dividend yield | 7.86% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PRGO | TREX |
|---|---|---|
| 2022 | -9.8% | -68.7% |
| 2023 | -2.5% | +95.6% |
| 2024 | -16.9% | -16.6% |
| 2025 | -44.0% | -49.2% |
| 2026 | +8.3% | +31.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PRGO and TREX good diversifiers for each other?
Only partially. A correlation of 0.51 means PRGO 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 PRGO and TREX?
The PRGO/TREX correlation stands at 0.51 on a 3-year window (1 year: 0.63, 5 years: 0.38), computed from weekly returns as of 2026-08-27.
Is TREX a good diversifier for PRGO?
Only partially. A correlation of 0.51 means PRGO 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 0.51 mean?
A reading of 0.51 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/prgo-vs-trex.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/prgo-vs-trex/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PRGO correlations · TREX correlations
