ALAB vs CLS: Correlation
Measured on weekly returns over the past three years, Astera Labs, Inc. (ALAB) and Celestica, Inc. (CLS) carry a correlation of 0.54, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALAB and CLS?
Over the past 3 years, ALAB and CLS moved with a correlation of 0.54, which is moderate. Little has changed lately, as the 1-year reading of 0.47 lands near the 3-year figure. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 2894.4 %².
Among the 18 assets we track against ALAB, CLS ranks #5 by 3-year correlation. Over the last 12 months ALAB came out ahead by 12.7 percentage points (+69.7% against +57.0%).
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.
ALAB vs CLS: side by side
| ALAB (Astera Labs, Inc.) | CLS (Celestica, Inc.) | |
|---|---|---|
| 1-year return | +69.7% | +57.0% |
| 5-year return | n/a | +3251.4% |
| Volatility (ann.) | 84.6% | 60.6% |
| Beta vs S&P 500 | 2.90 | 2.49 |
| Max drawdown (3Y) | -63.7% | -54.0% |
| Market cap | $52.8B | $40.0B |
| P/E (trailing) | 142.8 | 32.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ALAB | CLS |
|---|---|---|
| 2022 | – | +1.3% |
| 2023 | – | +159.8% |
| 2024 | – | +215.2% |
| 2025 | +25.6% | +220.3% |
| 2026 | +82.8% | +7.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALAB and CLS good diversifiers for each other?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ALAB and CLS?
The ALAB/CLS correlation stands at 0.54 on a 3-year window (1 year: 0.47, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is CLS a good diversifier for ALAB?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.54 mean?
On the −1 to +1 scale, 0.54 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/alab-vs-cls.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/alab-vs-cls/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ALAB correlations · CLS correlations
