CIEN
Ciena CorpCompany with tickers: CIEN
Market Cap
$65.61B
Shares Outstanding
141,552,922
CIK
936395
CUSIP
171779309
13F Activity (30d)
13 filings
10 filers
Website
Visit website
Investor Relations
Investor relations
Price
$463.51
Market Cap
$65.61B
P/E Ratio
545.31
EPS (Diluted)
$0.85
52W High
$637.51
52W Low
$76.06
Daily candlestick prices with configurable technical indicators (moving averages, Bollinger Bands, RSI, MACD) and event bullets for 10-K, 10-Q, Form 4 and earnings dates. Price data syncs automatically from Yahoo Finance.
Latest guidance
from the 8-K filed Jun 4, 2026
| Metric | Period | Guided | Basis | Actual |
|---|---|---|---|---|
| Revenue | fiscal third quarter 2026 | $1.58B – $1.68B | — | — |
| Adjusted (non-GAAP) gross margin | fiscal third quarter 2026 | 44.5% – 45.5% | Non-GAAP | — |
| Adjusted (non-GAAP) operating expense | fiscal third quarter 2026 | $400M – $420M | Non-GAAP | — |
| Adjusted (non-GAAP) operating margin | fiscal third quarter 2026 | 19% – 20% | Non-GAAP | — |
| Revenue | fiscal year 2026 | $6.2B – $6.4B | — | — |
| Adjusted (non-GAAP) gross margin | fiscal year 2026 | 44.5% – 45% | Non-GAAP | — |
| Adjusted (non-GAAP) operating expense | fiscal year 2026 | $1.59B – $1.63B | Non-GAAP | — |
| Adjusted (non-GAAP) operating margin | fiscal year 2026 | 18.5% – 19.5% | Non-GAAP | — |
1 Up Day
Indicators
Price
Panels
Event markers
Price & Indicators
Drag to pan · scroll to zoomPerformance
| 5D | 20D | 120D | MTD | YTD | |
|---|---|---|---|---|---|
| CIEN | +7.7% | -22.4% | +94.5% | -20.1% | +98.2% |
| SPY | -2.3% | -2.3% | +6.7% | -3.1% | +7.5% |
| vs SPY | +10.0% | -20.1% | +87.7% | -17.1% | +90.7% |
Close
$463.51
Open
$449.36
Day Range
$440.70 — $480.59
52W High
$637.51
52W Low
$76.06
Avg Vol (30d)
2.9M
Short Interest
4.8M · 1.1d
Short Vol % (latest)
57%
Last Earnings
2026-06-04
Latest Filing
Data Range
2020-01-02 — 2026-06-24