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 (92.3 vs 160.7); year to date, Astera Labs leads (+129.8% vs +90.9%).
Side by side
| ALAB | CIEN | |
|---|---|---|
| Market cap | $59.4B | $60.4B |
| Price | $342.21 | $449.77 |
| Today | −1.4% | +5.6% |
| Return YTD | +129.8% | +90.9% |
| Return 1Y | +80.2% | +194.7% |
| Since June 26, 2026 | −12.6% | −6.2% |
| P/E | 160.7 | 92.3 |
| P/S | 49.4 | 10.0 |
| P/B | 34.4 | 19.8 |
Data as of 2026-10-09 · updates daily after U.S. close
Since June 26, 2026: the change in the closing price, from the daily closes Sectivia records itself since that date.
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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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 →