Astera Labsvs.Ciena
ALAB vs CIEN · both in Data centers, part of the AI & digital infrastructure value chain: Servers, networking, optics and data center capacity that tie AI infrastructure together.
Astera Labs and Ciena are similar in size by market cap; year to date, Astera Labs leads (+66.8% vs +59.0%).
Side by side
| ALAB | CIEN | |
|---|---|---|
| Market cap | $56B | $62.7B |
| Price | $282.65 | $387.66 |
| Today | +1.8% | +4.2% |
| Return YTD | +66.8% | +59.0% |
| Return 1Y | +55.0% | +314.2% |
| P/E | 151.6 | 143.0 |
| P/S | 46.6 | 11.3 |
| P/B | 32.4 | 21.7 |
Data as of 2026-08-26 · updates daily after U.S. close
The two companies
Astera LabsALAB
Signal integrity becomes a real constraint at AI-server speeds. Astera Labs sells the fix: Aries PCIe retimers, Taurus and Leo connectivity, Scorpio fabric switches.
Full ALAB profile →More ALAB & CIEN comparisons
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