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; Ciena trades at the lower P/E (148.8 vs 264.5); year to date, Astera Labs leads (+148.2% vs +97.0%).
Side by side
| ALAB | CIEN | |
|---|---|---|
| Market cap | $70.8B | $65.2B |
| Price | $412.97 | $460.72 |
| Today | −1.1% | −0.4% |
| Return YTD | +148.2% | +97.0% |
| Return 1Y | +325.7% | +487.3% |
| P/E | 264.5 | 148.8 |
| P/S | 70.7 | 11.7 |
| P/B | 47.4 | 22.5 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
Astera LabsALAB
Supplies connectivity chips (PCIe/CXL retimers, optical modules) that resolve signal integrity issues between GPUs, CPUs and memory in AI servers.
Full ALAB profile →CienaCIEN
Leading in long-distance optical transmission — connecting data centers with each other (data center interconnect).
Full CIEN profile →More comparisons in Data centers
See where ALAB and CIEN sit in the full AI & digital infrastructure map — every segment from suppliers to end markets.Open the AI value chain →