PULM vs SAIC: Correlation
Pulmatrix, Inc. (PULM) and Science Applications International Corporation (SAIC) show a negative relationship: their 3-year correlation of weekly returns is -0.34.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PULM and SAIC?
On 3 years of weekly data the PULM/SAIC correlation comes out at -0.34, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.04) than the 3-year average (-0.34). The 5-year figure is -0.27, and annualized covariance runs at -1636.4 %².
Out of 37 assets tracked against PULM, SAIC lands near the bottom at #33. Correlation aside, the last 12 months split them widely, with SAIC ahead by 78.3 points (-68.7% versus +9.6%). Note the risk asymmetry: PULM runs 4.3 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.
PULM vs SAIC: side by side
| PULM (Pulmatrix, Inc.) | SAIC (Science Applications International Corporation) | |
|---|---|---|
| 1-year return | -68.7% | +9.6% |
| 5-year return | -90.6% | +64.0% |
| Volatility (ann.) | 144.8% | 33.6% |
| Beta vs S&P 500 | -0.18 | 0.36 |
| Max drawdown (3Y) | -88.1% | -45.7% |
| Market cap | – | $5.5B |
| P/E (trailing) | – | 14.5 |
| Dividend yield | 0.00% | 1.16% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PULM | SAIC |
|---|---|---|
| 2022 | -55.7% | +34.9% |
| 2023 | -52.1% | +13.6% |
| 2024 | +275.3% | -9.0% |
| 2025 | -68.1% | -8.7% |
| 2026 | -31.8% | +29.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PULM and SAIC good diversifiers for each other?
Yes: at -0.34, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PULM and SAIC?
The PULM/SAIC correlation stands at -0.34 on a 3-year window (1 year: 0.04, 5 years: -0.27), computed from weekly returns as of 2026-08-27.
Is SAIC a good diversifier for PULM?
Yes: at -0.34, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.34 mean?
On the −1 to +1 scale, -0.34 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/pulm-vs-saic.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/pulm-vs-saic/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PULM correlations · SAIC correlations
