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; Ciena trades at the lower P/E (96.7 vs 119.1); year to date, Pure Storage leads (+119.7% vs +89.7%).
Side by side
| CIEN | PSTG | |
|---|---|---|
| Market cap | $63.3B | $22.4B |
| Price | $425.93 | — |
| Today | −4.6% | — |
| Return YTD | +89.7% | +119.7% |
| Return 1Y | +189.5% | +20.7% |
| Since June 26, 2026 | −11.2% | +60.3% |
| P/E | 96.7 | 119.1 |
| P/S | 10.5 | 6.1 |
| P/B | 20.7 | 15.5 |
Data as of 2026-10-08 · 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
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 →