PDM vs PLRX: Correlation
Measured on weekly returns over the past three years, Piedmont Realty Trust, Inc. (PDM) and Pliant Therapeutics, Inc. (PLRX) carry a correlation of 0.43, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PDM and PLRX?
Across a 3-year window, the weekly returns of PDM and PLRX correlate at 0.43, moderate. The past 12 months show a weaker link (0.20) than the 3-year average (0.43). Stretching to 5 years gives 0.28, with an annualized covariance of 1138.6 %².
By 3-year correlation, PLRX places #22 of the 28 assets tracked against PDM. Correlation aside, the last 12 months split them widely, with PDM ahead by 48.0 points (+16.0% versus -32.0%). Note the risk asymmetry: PLRX runs 2.1 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
PDM vs PLRX: side by side
| PDM (Piedmont Realty Trust, Inc.) | PLRX (Pliant Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | +16.0% | -32.0% |
| 5-year return | -29.9% | -93.6% |
| Volatility (ann.) | 35.3% | 74.8% |
| Beta vs S&P 500 | 0.95 | 1.32 |
| Max drawdown (3Y) | -46.4% | -94.7% |
| Market cap | $1.2B | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PDM | PLRX |
|---|---|---|
| 2022 | -46.8% | +43.2% |
| 2023 | -14.8% | -6.3% |
| 2024 | +37.2% | -27.3% |
| 2025 | -7.3% | -90.7% |
| 2026 | +16.4% | -5.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PDM and PLRX good diversifiers for each other?
Reasonably. At 0.43, PDM and PLRX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between PDM and PLRX?
The PDM/PLRX correlation stands at 0.43 on a 3-year window (1 year: 0.20, 5 years: 0.28), computed from weekly returns as of 2026-08-27.
Is PLRX a good diversifier for PDM?
Reasonably. At 0.43, PDM and PLRX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.43 mean?
A reading of 0.43 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/pdm-vs-plrx.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/pdm-vs-plrx/)
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Related comparisons
Hubs: PDM correlations · PLRX correlations
