ALGS vs PULM: Correlation
Measured on weekly returns over the past three years, Aligos Therapeutics, Inc. (ALGS) and Pulmatrix, Inc. (PULM) carry a correlation of 0.45, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALGS and PULM?
On 3 years of weekly data the ALGS/PULM correlation comes out at 0.45, moderate. The past 12 months show a weaker link (0.14) than the 3-year average (0.45). The 5-year figure is 0.41, and annualized covariance runs at 7488.4 %².
In ALGS's tracked universe of 11 assets, PULM sits right near the top at #1. The last year tells two different stories: ALGS led by 31.1 percentage points, -37.6% for ALGS against -68.7% for PULM.
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.
ALGS vs PULM: side by side
| ALGS (Aligos Therapeutics, Inc.) | PULM (Pulmatrix, Inc.) | |
|---|---|---|
| 1-year return | -37.6% | -68.7% |
| 5-year return | -98.3% | -90.6% |
| Volatility (ann.) | 114.1% | 144.8% |
| Beta vs S&P 500 | 1.68 | -0.18 |
| Max drawdown (3Y) | -91.3% | -88.1% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ALGS | PULM |
|---|---|---|
| 2022 | -92.0% | -55.7% |
| 2023 | -30.3% | -52.1% |
| 2024 | +140.0% | +275.3% |
| 2025 | -76.6% | -68.1% |
| 2026 | -24.1% | -31.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALGS and PULM good diversifiers for each other?
Reasonably. At 0.45, ALGS and PULM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ALGS and PULM?
Using weekly returns as of 2026-08-27: 0.45 over 3 years, with 0.14 over the last year and 0.41 over 5 years.
Is PULM a good diversifier for ALGS?
Reasonably. At 0.45, ALGS and PULM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.45 mean?
On the −1 to +1 scale, 0.45 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/algs-vs-pulm.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/algs-vs-pulm/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ALGS correlations · PULM correlations
