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AWX vs PULM: Correlation

How closely do Avalon Holdings Corporation (AWX) and Pulmatrix, Inc. (PULM) trade together? Their weekly returns over three years give a correlation of 0.44, which is moderate.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.44
moderate
Correlation (1Y)
-0.01
last 12 months
Correlation (5Y)
0.36
long-run
Ann. covariance
2211.5
%² · weekly, annualized

How correlated are AWX and PULM?

On 3 years of weekly data the AWX/PULM correlation comes out at 0.44, moderate. The link has loosened recently: the 1-year correlation (-0.01) runs below the 3-year figure (0.44). The 5-year figure is 0.36, and annualized covariance runs at 2211.5 %².

In AWX's tracked universe of 12 assets, PULM sits right near the top at #1. The last year tells two different stories: AWX led by 77.6 percentage points, +8.9% for AWX against -68.7% for PULM. Note the risk asymmetry: PULM runs 4.1 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.

AWX vs PULM: side by side

AWX (Avalon Holdings Corporation)PULM (Pulmatrix, Inc.)
1-year return+8.9%-68.7%
5-year return-37.9%-90.6%
Volatility (ann.)35.1%144.8%
Beta vs S&P 5000.10-0.18
Max drawdown (3Y)-51.9%-88.1%
Market cap
P/E (trailing)9.0
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: AWX -51.9% vs -88.1%Higher 5y return: AWX -37.9% vs -90.6%
-75%0%+21%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. AWX · PULM

Year-by-year returns

YearAWXPULM
2022-23.8%-55.7%
2023-13.1%-52.1%
2024+61.9%+275.3%
2025-30.5%-68.1%
2026+0.4%-31.8%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are AWX and PULM good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between AWX and PULM?

The AWX/PULM correlation stands at 0.44 on a 3-year window (1 year: -0.01, 5 years: 0.36), computed from weekly returns as of 2026-08-27.

Is PULM a good diversifier for AWX?

Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.44 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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AWX vs PULM: 3-year weekly correlation 0.44AWX vs PULM0.44

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Related comparisons

Hubs: AWX correlations · PULM correlations