PLAG vs PULM: Correlation
Measured on weekly returns over the past three years, Planet Green Holdings Corp. (PLAG) and Pulmatrix, Inc. (PULM) carry a correlation of 0.50, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PLAG and PULM?
Over the past 3 years, PLAG and PULM moved with a correlation of 0.50, which is moderate. The link has loosened recently: the 1-year correlation (-0.15) runs below the 3-year figure (0.50). Over 5 years the correlation is 0.46, and the annualized covariance of weekly returns is 11578.9 %².
Among the 20 assets we track against PLAG, PULM ranks #4 by 3-year correlation. Over the last 12 months PLAG came out ahead by 9.6 percentage points (-59.1% against -68.7%).
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.
PLAG vs PULM: side by side
| PLAG (Planet Green Holdings Corp.) | PULM (Pulmatrix, Inc.) | |
|---|---|---|
| 1-year return | -59.1% | -68.7% |
| 5-year return | -94.2% | -90.6% |
| Volatility (ann.) | 160.4% | 144.8% |
| Beta vs S&P 500 | -0.67 | -0.18 |
| Max drawdown (3Y) | -93.8% | -88.1% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PLAG | PULM |
|---|---|---|
| 2022 | -39.2% | -55.7% |
| 2023 | -21.0% | -52.1% |
| 2024 | -46.9% | +275.3% |
| 2025 | -15.8% | -68.1% |
| 2026 | -67.0% | -31.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PLAG and PULM good diversifiers for each other?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between PLAG and PULM?
Using weekly returns as of 2026-08-27: 0.50 over 3 years, with -0.15 over the last year and 0.46 over 5 years.
Is PULM a good diversifier for PLAG?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.50 mean?
A reading of 0.50 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: PLAG correlations · PULM correlations
