Arista Networksvs.Ciena
ANET 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.
Arista Networks is about 3.6× larger than Ciena by market cap; Arista Networks trades at the lower P/E (63.3 vs 148.8); year to date, Ciena leads (+97.0% vs +42.7%).
Side by side
| ANET | CIEN | |
|---|---|---|
| Market cap | $235B | $65.2B |
| Price | $186.96 | $460.72 |
| Today | +1.2% | −0.4% |
| Return YTD | +42.7% | +97.0% |
| Return 1Y | +75.9% | +487.3% |
| P/E | 63.3 | 148.8 |
| P/S | 24.2 | 11.7 |
| P/B | 17.5 | 22.5 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
Arista NetworksANET
Leading provider of high-speed switches and network software for AI data centers — with significant exposure to hyperscaler demand.
Full ANET 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 ANET and CIEN sit in the full AI & digital infrastructure map — every segment from suppliers to end markets.Open the AI value chain →