Ciena (CIEN)
$320.72 -8.22% Close Oct 30, 2026 Live
Ciena stock today
Ciena closed at $320.72 on October 30, 2026, down 8.22% on the day. Over the past year it returned +69.7% with dividends reinvested, against +12.4% for the S&P 500. Its market value is $45.4 billion.
$200.00$400.00$600.00
NovJan 2026MarMayJulSep
| Period | CIEN | S&P 500 (SPY) |
|---|---|---|
| 1 month | -8.8% | -0.9% |
| 3 months | -13.8% | +2.1% |
| Year to date | +37.1% | +11.7% |
| 1 year | +69.7% | +12.4% |
| 3 years | +681.1% | +88.5% |
| 5 years | +490.8% | +76.0% |
Key statistics
- Market value
- $45.4B
- P/E (trailing)
- 71.6
- Forward P/E
- 30.0
- Price / sales
- 7.5
- 52-week range
- $176.45 to $627.00
About Ciena
Ciena manufactures networking equipment and software for telecommunications service providers.
Sector: Information Technology · Industry: Communications Equipment
More on Ciena
- Financials: revenue, earnings and segmentsRevenue +19% in the year to Nov 2025
- Valuation: P/E history and peersP/E 71.6, median 31.0 at its last 8 year ends
- Returns: what $1,000 became$1,000 ten years ago is $16,439 today
No forecast, no recommendation. This page describes Ciena from published data; it is not advice to buy, sell or hold any security.
Figures as of the close on Oct 30, 2026 unless a row says otherwise. Prices are split adjusted; returns include dividends reinvested. Data may be delayed. See the disclaimer and how TrendArc works.