GD vs PULM: Correlation
Measured on weekly returns over the past three years, General Dynamics (GD) and Pulmatrix, Inc. (PULM) carry a correlation of -0.18, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GD and PULM?
Across a 3-year window, the weekly returns of GD and PULM correlate at -0.18, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.00) than the 3-year average (-0.18). Stretching to 5 years gives -0.12, with an annualized covariance of -541.7 %².
Among the 30 assets we track against GD, PULM ranks #25 by 3-year correlation. Correlation aside, the last 12 months split them widely, with GD ahead by 87.5 points (+18.8% versus -68.7%). Risk is not evenly split, since PULM carries 6.9 times the volatility of the other side.
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.
GD vs PULM: side by side
| GD (General Dynamics) | PULM (Pulmatrix, Inc.) | |
|---|---|---|
| 1-year return | +18.8% | -68.7% |
| 5-year return | +111.9% | -90.6% |
| Volatility (ann.) | 21.1% | 144.8% |
| Beta vs S&P 500 | 0.52 | -0.18 |
| Max drawdown (3Y) | -22.5% | -88.1% |
| Market cap | $102.8B | – |
| P/E (trailing) | 23.3 | – |
| Dividend yield | 1.62% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | GD | PULM |
|---|---|---|
| 2022 | +21.7% | -55.7% |
| 2023 | +7.1% | -52.1% |
| 2024 | +3.5% | +275.3% |
| 2025 | +30.4% | -68.1% |
| 2026 | +14.4% | -31.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GD and PULM good diversifiers for each other?
Yes. With a correlation of -0.18, GD and PULM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between GD and PULM?
As of 2026-08-27, the correlation of weekly returns between GD and PULM is -0.18 over 3 years, -0.00 over 1 year and -0.12 over 5 years.
Is PULM a good diversifier for GD?
Yes. With a correlation of -0.18, GD and PULM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.18 mean?
On the −1 to +1 scale, -0.18 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: GD correlations · PULM correlations
