Ciena (CIEN) closed at $269.33 on November 9, 2026, up 10.7% from the previous close, on volume of 2,622,067 shares (30-day average 3,109,247).
Data as of November 9, 2026.
| # | Date | Strategy | Legs | Contracts |
|---|---|---|---|---|
| 1 | Nov 2, 2026 | Diagonal Put Spread | 20-Nov-26 : 15-Jan-27280 : 185 P | 8,600 |
| 2-3 | The next 2 largest trades are for Premium members. Start a 7-day free trial | |||
Ranked by contracts: multi-leg trades of 200 or more contracts on one day, through Nov 9, 2026. See the 10 largest for 30, 60 and 90 days
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Ciena is a leader in high-speed optical connectivity, providing systems, components, and automation software for telecom providers and enterprises, such as data centers, to enable long-distance connectivity. The company operates through four primary business segments: networking platforms, platform software and services, Blue Planet automation software, and global services. While telecom carriers remain important customers, cloud providers and hyperscalers now drive a significant portion of the business. To meet the demands of AI data centers, customers are adopting Ciena's WaveLogic 6 platform, the first to support 1.6 terabits-per-second capacity.
Ciena trades on the NYSE stock market under the symbol CIEN.
As of November 10, 2026, CIEN stock price climbed to $273.20 with 1,782,772 million shares trading.
CIEN has a beta of 2.16, meaning it tends to be more sensitive to market movements. CIEN has a correlation of 0.12 to the broad based SPY ETF.
CIEN has a market cap of $38.48 billion. This is considered a Large Cap stock.
Last quarter Ciena reported $2 billion in Revenue and $2.11 earnings per share. This beat revenue expectation by $32 million and exceeded earnings estimates by $.44.
In the last 3 years, CIEN traded as high as $637.51 and as low as $42.20.
The top ETF exchange traded funds that CIEN belongs to (by Net Assets): VTI, VOO, VO, VUG, IVV.
CIEN has outperformed the market in the last year with a return of +37.1%, while the SPY ETF gained +12.8%. However, in the most recent history, CIEN shares have underperformed the stock market with its stock returning -33.8% in the last 3 month period and -18.7% for the last 2 week period, while SPY has returned -2.8% and -2.1%, respectively.
CIEN support price is $251.35 and resistance is $287.31 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that CIEN shares will trade within this expected range on the day.
