Ciena Corporation (CIEN) Stock Overview
NYSE · Technology · Communication Equipment
✓ Sourced directly from Yahoo Finance · Checked for accuracy at every rebuild · Snapshot: 6 September 2026
About Ciena Corporation
Ciena Corporation, a network technology company, provides hardware, software, and services for various network operators in the Americas, Europe, the Middle East, Africa, the Asia Pacific, Japan, and India. It operates through Networking Platforms, Platform Software and Services, Blue Planet…
Source: Yahoo Finance
Sector & Industry
Ciena Corporation operates in the Technology sector, within the Communication Equipment industry group. It is listed on the NYSE exchange.
Ciena Corporation at a Glance
| Company | Ciena Corporation |
| Ticker | CIEN |
| Exchange | NYSE |
| Currency | USD |
| Price | $321.00 |
| Market cap | $45.52B |
| P/E ratio (trailing) | 71.97 |
| EPS (trailing) | $4.46 |
| 52-week high | $637.51 |
| 52-week low | $117.02 |
| Dividend yield | — |
| Ex-dividend date | — |
| Beta | 1.31 |
| Return on equity (ROE) | 15.46% |
| Debt-to-equity | 54.65% |
| Average volume | 2.66M |
| Shares outstanding | 141.81M |
| Sector | Technology |
| Industry | Communication Equipment |
| Employees | 8,898 |
| Country | United States |
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Check Price →Frequently Asked Questions
- What is Ciena Corporation's current P/E ratio?
- Ciena Corporation (CIEN) has a trailing P/E ratio of 71.97 as of our 6 September 2026 data snapshot. Learn what the P/E ratio means →
- What is Ciena Corporation's market capitalisation?
- Ciena Corporation's market cap is $45.52B based on our latest snapshot. See how it ranks by market cap →
- What is CIEN's 52-week range?
- Over the past 52 weeks, CIEN has traded between $117.02 and $637.51. What does the 52-week range mean? →
- How volatile is Ciena Corporation compared to the market?
- Ciena Corporation has a beta of 1.31, meaning it has historically moved more than the broader market. What does beta measure? →
- Does Ciena Corporation pay a dividend?
- Ciena Corporation does not currently pay a dividend according to our latest data.
- What exchange is CIEN listed on?
- CIEN is listed on the NYSE. Browse all NYSE-listed stocks →
- What sector is Ciena Corporation in?
- Ciena Corporation is classified in the Technology sector. Compare with Technology peers →
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