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AIN vs CLNE: Correlation

How closely do Albany International Corporation (AIN) and Clean Energy Fuels Corp. (CLNE) trade together? Their weekly returns over three years give a correlation of 0.50, which is moderate.

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

Correlation (3Y)
0.50
moderate
Correlation (1Y)
0.46
last 12 months
Correlation (5Y)
0.49
long-run
Ann. covariance
1053.9
%² · weekly, annualized

How correlated are AIN and CLNE?

Over the past 3 years, AIN and CLNE moved with a correlation of 0.50, which is moderate. Recent behaviour matches the longer record: 0.46 over 1 year against 0.50 over 3. Over 5 years the correlation is 0.49, and the annualized covariance of weekly returns is 1053.9 %².

Within AIN's tracked universe of 20 assets, CLNE comes in at #12 by 3-year correlation. Correlation aside, the last 12 months split them widely, with AIN ahead by 33.8 points (-5.6% versus -39.4%). Risk is not evenly split, since CLNE carries 1.6 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.

AIN vs CLNE: side by side

AIN (Albany International Corporation)CLNE (Clean Energy Fuels Corp.)
1-year return-5.6%-39.4%
5-year return-19.2%-79.6%
Volatility (ann.)36.2%58.8%
Beta vs S&P 5001.131.36
Max drawdown (3Y)-57.1%-71.5%
Market cap$1.7B$0.4B
P/E (trailing)
Dividend yield1.88%0.00%
Sector / categoryUS ListedUS Listed
Higher yield: AIN 1.88% vs 0.00%Smaller drawdown: AIN -57.1% vs -71.5%Higher 5y return: AIN -19.2% vs -79.6%
-36%0%+24%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). AIN · CLNE

Year-by-year returns

YearAINCLNE
2022+12.6%-15.2%
2023+0.7%-26.3%
2024-17.6%-34.5%
2025-35.5%-16.3%
2026+17.9%-23.8%

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

Are AIN and CLNE 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 AIN and CLNE?

Using weekly returns as of 2026-08-27: 0.50 over 3 years, with 0.46 over the last year and 0.49 over 5 years.

Is CLNE a good diversifier for AIN?

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.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/ain-vs-clne.json

AIN vs CLNE: 3-year weekly correlation 0.50AIN vs CLNE0.50

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Related comparisons

Hubs: AIN correlations · CLNE correlations