PBK vs PLRX: Correlation
PowerBank Corporation (PBK) and Pliant Therapeutics, Inc. (PLRX) show a negative relationship: their 3-year correlation of weekly returns is -0.28.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PBK and PLRX?
Over the past 3 years, PBK and PLRX moved with a correlation of -0.28, which is negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.03) than the 3-year average (-0.28). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -2139.9 %².
Among the 20 assets we track against PBK, PLRX sits near the bottom by co-movement, at rank #20. Their recent paths diverged sharply: over the last 12 months PLRX outperformed by 46.7 percentage points (-78.7% for PBK against -32.0% for PLRX).
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.
PBK vs PLRX: side by side
| PBK (PowerBank Corporation) | PLRX (Pliant Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -78.7% | -32.0% |
| 5-year return | n/a | -93.6% |
| Volatility (ann.) | 96.0% | 74.8% |
| Beta vs S&P 500 | 0.19 | 1.32 |
| Max drawdown (3Y) | -93.7% | -94.7% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PBK | PLRX |
|---|---|---|
| 2022 | – | +43.2% |
| 2023 | – | -6.3% |
| 2024 | – | -27.3% |
| 2025 | -11.7% | -90.7% |
| 2026 | -75.2% | -5.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PBK and PLRX good diversifiers for each other?
Yes: at -0.28, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PBK and PLRX?
The PBK/PLRX correlation stands at -0.28 on a 3-year window (1 year: 0.03, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is PLRX a good diversifier for PBK?
Yes: at -0.28, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.28 mean?
On the −1 to +1 scale, -0.28 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/pbk-vs-plrx.json
Embed this badge (it refreshes with the data), with attribution:
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Related comparisons
Hubs: PBK correlations · PLRX correlations
