Sectivia

Cienavs.NetApp

CIEN vs NTAP · both in Data centers, part of the AI & digital infrastructure value chain: Servers, networking, optics and data center capacity that tie AI infrastructure together.

Ciena is about 1.6× larger than NetApp by market cap; NetApp trades at the lower P/E (31.1 vs 143.0); year to date, NetApp leads (+74.5% vs +59.0%).

Side by side

CIENNTAP
Market cap$62.7B$39.6B
Price$387.66$187.43
Today+4.2%+0.3%
Return YTD+59.0%+74.5%
Return 1Y+314.2%+69.1%
P/E143.031.1
P/S11.35.7
P/B21.729.3

Data as of 2026-08-26 · updates daily after U.S. close

The two companies

CienaCIEN

NYSE · USA

Long-haul optical transmission, mostly between data centres.

Optical networking
Full CIEN profile →

NetAppNTAP

NASDAQ · USA

Keeps enterprise data on flash arrays and moves it between on-premises kit and the cloud; AI workloads are the newer source of demand.

Data storage
Full NTAP profile →

More CIEN & NTAP comparisons

Other head-to-heads in the Data centers segment.

See where CIEN and NTAP sit in the full AI & digital infrastructure map: every segment from suppliers to end markets.Open the AI value chain →