Cienavs.Pure Storage
CIEN vs PSTG · 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 2.8× larger than Pure Storage by market cap; Pure Storage trades at the lower P/E (119.1 vs 143.0); year to date, Ciena leads (+59.0% vs +49.9%).
Side by side
| CIEN | PSTG | |
|---|---|---|
| Market cap | $62.7B | $22.4B |
| Price | $387.66 | $100.44 |
| Today | +4.2% | −7.5% |
| Return YTD | +59.0% | +49.9% |
| Return 1Y | +314.2% | +72.2% |
| P/E | 143.0 | 119.1 |
| P/S | 11.3 | 6.1 |
| P/B | 21.7 | 15.5 |
Data as of 2026-08-26 · updates daily after U.S. close
The two companies
Pure StoragePSTG
All-flash arrays for data centers, sold as a subscription service.
Full PSTG profile →More CIEN & PSTG comparisons
Other head-to-heads in the Data centers segment.
See where CIEN and PSTG sit in the full AI & digital infrastructure map: every segment from suppliers to end markets.Open the AI value chain →