CIEN Ciena
Data as of close
Technology · Telephone & Telegraph Apparatus
Ciena (CIEN) is a technology company in the Telephone & Telegraph Apparatus industry, with a market capitalization of $40.8 billion. Shares last traded at $287.68, 54.8% below their 52-week high. Over the past year the stock is up 52.1%. CIEN trades at a price-to-earnings ratio of 62.34, above the Telephone & Telegraph Apparatus median of 32.16. Net profit margin is 10.9%, above the peer median of -3.9%. Revenue grew 18.8% year over year.
* P/E (TTM) = market cap ÷ net income over the trailing twelve months where four consecutive quarters are reported, otherwise the latest fiscal year — the same basis as the peer table and the screener, so it can differ from price ÷ EPS.
Performance
Chart
Full chart →Daily candles · volume · SMA(20)/SMA(50) · Databento EQUS.MINI.
Technicals
Financials
Trailing twelve months where four consecutive quarters are reported, otherwise the latest fiscal year; revenue is the fiscal-year figure where quarterly revenue covers under half of it (typical for banks, insurers and REITs), and margins are taken on it; latest reported period ends 2026-08-01. Source: SEC EDGAR/XBRL.
Recent earnings
| Period | EPS (diluted) | Reported |
|---|---|---|
| Q3 2026 | $1.83 | 2026-09-03 |
| Q2 2026 | $1.49 | 2026-06-04 |
| Q1 2026 | $1.03 | 2026-03-05 |
| Q4 2025 (derived) | $0.13 | 2025-12-12 |
| FY 2025 | $0.85 | 2025-12-12 |
| Q3 2025 | $0.35 | 2025-09-04 |
Q4 marked "derived" = fiscal-year EPS minus Q1–Q3 (10-Ks report only the annual figure); EPS is not strictly additive, so it can differ by a cent or two from the issuer's own Q4.
Telephone & Telegraph Apparatus peers
CIEN vs 8 industry peers (Telephone & Telegraph Apparatus), by market cap. Data as of close
| CIEN | Ciena | $40.8B | 62.34 | 6.78 | 10.9% | -10.54% |
| FN | Fabrinet | $12.7B | 26.89 | 2.74 | 10.2% | +8.58% |
| ADTN | Adtran Holdings, Inc. | $513M | — | 0.45 | -2.3% | -3.67% |
| CLFD | Clearfield, Inc. | $431M | — | 3.31 | -5.5% | -0.94% |
| AUDC | AUDIOCODES LTD | $288M | 32.16 | 1.17 | 3.6% | -4.58% |
| FKWL | FRANKLIN WIRELESS CORP | $26M | — | 0.71 | -13.0% | -0.45% |
| CLRO | CLEARONE INC | $15M | — | 0.35 | -48.0% | +20.88% |
| SONM | DNA X, Inc. | $4M | — | 0.07 | -14.7% | +0.74% |
Source: SEC EDGAR (fundamentals/EPS/dividends) · Databento EQUS.MINI (prices) · market cap & yield computed by tradmap. Informational only — not financial advice.