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Ciena Corporation

CIEN Real Time Price USD
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Overview
Financials
Forecast
Insiders
Institutions
Compensation
Government
Ownership
News

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CIEN historical prices

$CIEN is featured in our Rob Bresnahan strategy.

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Cash Flow
Revenue Breakdown
Congress Trading

Recent trades of CIEN by members of U.S. Congress

Politician Type Traded
Ro Khanna House / D Sale $1,001 - $15,000 Aug 03, 2026
Ro Khanna House / D Purchase $1,001 - $15,000 Jun 30, 2026
Gilbert Ray Cisneros, Jr. House / D Purchase $1,001 - $15,000 May 29, 2026
Gilbert Ray Cisneros, Jr. House / D Purchase $1,001 - $15,000 May 14, 2026
Alan Armstrong Senate / R Purchase $1,001 - $15,000 Mar 30, 2026
Ro Khanna House / D Purchase $1,001 - $15,000 Mar 30, 2026
Alan Armstrong Senate / R Purchase $1,001 - $15,000 Mar 27, 2026
Ro Khanna House / D Purchase $1,001 - $15,000 Feb 24, 2026
Lisa C. McClain House / R Sale $1,001 - $15,000 Oct 31, 2025
Lisa C. McClain House / R Sale $1,001 - $15,000 Oct 30, 2025
Lisa C. McClain House / R Purchase $1,001 - $15,000 Oct 30, 2025
Lisa C. McClain House / R Sale $1,001 - $15,000 Oct 15, 2025
Lisa C. McClain House / R Purchase $1,001 - $15,000 Jun 17, 2025
John James House / R Sale $1,001 - $15,000 Sep 04, 2024
John James House / R Purchase $1,001 - $15,000 Nov 10, 2023
Daniel S. Goldman House / D Sale $1,001 - $15,000 Jul 12, 2023
Ro Khanna House / D Sale $1,001 - $15,000 Jun 27, 2022
Ro Khanna House / D Sale $15,001 - $50,000 May 23, 2022
Ro Khanna House / D Purchase $1,001 - $15,000 May 10, 2022
Ro Khanna House / D Purchase $1,001 - $15,000 May 05, 2022
Ro Khanna House / D Purchase $1,001 - $15,000 N/A
Ro Khanna House / D Sale $1,001 - $15,000 N/A
Byron Donalds House / R Sale $1,001 - $15,000 Feb 02, 2021
Lois Frankel House / D Sale $1,001 - $15,000 Nov 20, 2020
Lois Frankel House / D Purchase $1,001 - $15,000 Jul 24, 2020
Ro Khanna House / D Sale $1,001 - $15,000 Mar 05, 2020
Ro Khanna House / D Purchase $1,001 - $15,000 Feb 11, 2020
Earl Blumenauer House / D Sale $1,001 - $15,000 Mar 13, 2019
Earl Blumenauer House / D Purchase $1,001 - $15,000 Feb 28, 2018
Thomas MacArthur House / R Sale $1,001 - $15,000 May 27, 2015
Michael T. McCaul House / R Sale $50,001 - $100,000 Oct 28, 2014
Michael T. McCaul House / R Sale $15,001 - $50,000 N/A
CIEN Stock Insider Trading Activity Follow @QuiverQuant for major insider updates

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Closing Price
Purchase
Sale
Name
Type
Shares
Price
Shares Held
Date
Reported
CIEN Stock Institutional Owners
Investor
Shares
Change in Shares
Market Value
Date
Reported
CIEN Derivatives Institutional Owners
Investor
Type
Shares
Change in Shares
Market Value
Date
Reported
Whale Activity

Recently reported changes in CIEN holdings by institutional investors

Insider Trading

Quarterly net insider trading by CIEN's directors and management

* Insider trading data parsed from SEC Form 4 filings by Quiver Quantitative. Sign up for the Quiver API for real-time access.

About

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Return (30d)
Return (1Y)
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About

Backtest Start Date

Key Metrics

Return (1d)

Return (30d)

Return (1Y)

CAGR (Total)

Max Drawdown

Beta

Alpha

Sharpe Ratio

Win Rate

Average Win

Average Loss

Annual Volatility

Annual Std Dev

Information Ratio

Treynor Ratio

Total Trades

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Metrics Definitions

Disclaimer: The performance results shown are based on historical backtesting and are hypothetical in nature. Backtested performance does not represent actual trading and does not account for all market factors that may affect execution, such as liquidity, slippage, and changing market conditions. Past performance is not necessarily indicative of future results. There is no guarantee that any trading strategy will be profitable or avoid losses.

  • Alpha

    Measures a portfolio's risk-adjusted performance against that of its benchmark

    Learn More about Alpha
  • Annual Standard Deviation

    Measures how much the portfolio's total return varies from its mean or average.

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  • Annual Volatility

    A statistical measure of the dispersion of returns for the portfolio.

    Learn More about Annual Volatility
  • Average Win

    The average return (%) for trades that resulted in a positive return.

  • Average Loss

    The average return (%) for trades that resulted in a negative return.

  • Beta

    A measure of the volatility of the portfolio compared to the market as a whole.

    Learn More about Beta
  • CAGR

    CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.

    Learn More about CAGR
  • Information Ratio

    A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.

    Learn More about Information Ratio
  • Max Drawdown

    the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.

    Learn More about Max Drawdown
  • Sharpe Ratio

    The Sharpe Ratio is a measure of historical risk-adjusted return, which quantifies the amount of return that an investor received per unit of risk.

    Learn More about Sharpe Ratio
  • Total Trades

    The total number of trades made by this strategy.

  • Treynor Ratio

    Attempts to measure how successful an investment is in providing compensation to investors for taking on investment risk.

    Learn More about Treynor Ratio
  • Win Rate

    The percentage of total trades that resulted in a positive return.

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Corporate Lobbying

Government lobbying spending instances

  • $290,000 Jul 13, 2026 Issue: Telecommunications Trade (domestic/foreign) Homeland Security Foreign Relations
  • $420,000 Apr 20, 2026 Issue: Telecommunications Trade (domestic/foreign) Homeland Security
  • $240,000 Jan 19, 2026 Issue: Telecommunications Trade (domestic/foreign) Homeland Security
  • $130,000 Oct 13, 2025 Issue: Telecommunications Trade (domestic/foreign)
  • $130,000 Jul 15, 2025 Issue: Telecommunications Taxation/Internal Revenue Code Trade (domestic/foreign)
  • $140,000 Apr 21, 2025 Issue: Telecommunications Taxation/Internal Revenue Code Science/Technology
  • $140,000 Jan 17, 2025 Issue: Telecommunications Homeland Security Trade (domestic/foreign) Taxation/Internal Revenue Code Science/Technology
  • $190,000 Oct 14, 2024 Issue: Science/Technology Taxation/Internal Revenue Code Foreign Relations Trade (domestic/foreign) Homeland Security Telecommunications
  • $180,000 Jul 10, 2024 Issue: Science/Technology Taxation/Internal Revenue Code Foreign Relations Trade (domestic/foreign) Homeland Security Telecommunications
  • $200,000 Jan 22, 2024 Issue: Copyright/Patent/Trademark Science/Technology Taxation/Internal Revenue Code Foreign Relations Trade (domestic/foreign) Homeland Security Telecommunications
  • $50,000 Oct 20, 2023 Issue: Trade (domestic/foreign) Telecommunications
  • $50,000 Jul 20, 2023 Issue: Trade (domestic/foreign) Telecommunications
  • $40,000 Jan 20, 2023 Issue: Trade (domestic/foreign) Homeland Security Telecommunications
  • $30,000 Oct 14, 2022 Issue: Trade (domestic/foreign) Homeland Security Telecommunications
  • $30,000 Jul 20, 2022 Issue: Trade (domestic/foreign) Homeland Security Telecommunications
  • $30,000 Apr 20, 2022 Issue: Homeland Security Telecommunications
  • $30,000 Jan 20, 2022 Issue: Homeland Security Telecommunications
  • $30,000 Oct 20, 2021 Issue: Trade (domestic/foreign) Telecommunications Homeland Security
  • $30,000 Jul 20, 2021 Issue: Telecommunications Homeland Security Trade (domestic/foreign)
  • $30,000 Apr 20, 2021 Issue: Telecommunications Trade (domestic/foreign) Homeland Security
  • $30,000 Jan 21, 2021 Issue: Homeland Security Telecommunications Defense Science/Technology Trade (domestic/foreign)
  • $30,000 Oct 20, 2020 Issue: Science/Technology Homeland Security Trade (domestic/foreign) Defense Telecommunications
  • $30,000 Jul 20, 2020 Issue: Defense Science/Technology Homeland Security Trade (domestic/foreign) Telecommunications
  • $30,000 Apr 20, 2020 Issue: Trade (domestic/foreign) Defense Science/Technology Telecommunications Homeland Security
  • $30,000 Jan 21, 2020 Issue: Science/Technology Homeland Security Telecommunications Trade (domestic/foreign) Defense
  • $30,000 Oct 21, 2019 Issue: Science/Technology Homeland Security Telecommunications Trade (domestic/foreign) Defense
  • $30,000 Jul 22, 2019 Issue: Science/Technology Homeland Security Trade (domestic/foreign) Defense Telecommunications
  • $30,000 Apr 22, 2019 Issue: Science/Technology Homeland Security Defense Telecommunications Trade (domestic/foreign)
  • $30,000 Jan 21, 2019 Issue: Defense Telecommunications Homeland Security Science/Technology Trade (domestic/foreign)
  • $30,000 Oct 18, 2018 Issue: Trade (domestic/foreign) Defense Telecommunications Homeland Security Science/Technology
  • $30,000 Jul 19, 2018 Issue: Science/Technology Homeland Security Telecommunications Trade (domestic/foreign) Defense
  • $30,000 Apr 19, 2018 Issue: Science/Technology Homeland Security Defense Telecommunications Trade (domestic/foreign)
  • $30,000 Jan 19, 2018 Issue: Homeland Security Trade (domestic/foreign) Defense Telecommunications Science/Technology
  • $30,000 Oct 19, 2017 Issue: Homeland Security Science/Technology Trade (domestic/foreign) Defense Telecommunications
  • $30,000 Jul 19, 2017 Issue: Science/Technology Homeland Security Trade (domestic/foreign) Defense Telecommunications
  • $30,000 Apr 19, 2017 Issue: Telecommunications Homeland Security Science/Technology Trade (domestic/foreign) Defense
  • $30,000 Jan 19, 2017 Issue: Science/Technology Telecommunications Homeland Security Defense Trade (domestic/foreign)
  • $30,000 Oct 19, 2016 Issue: Trade (domestic/foreign) Homeland Security Telecommunications Science/Technology Defense
  • $30,000 Sep 21, 2016 Issue: Science/Technology Homeland Security Telecommunications Defense Trade (domestic/foreign)
  • $30,000 Apr 20, 2016 Issue: Defense Trade (domestic/foreign) Telecommunications Homeland Security Science/Technology
  • $30,000 Jan 19, 2016 Issue: Trade (domestic/foreign) Defense Homeland Security Science/Technology Telecommunications
  • $30,000 Oct 20, 2015 Issue: Telecommunications Defense Trade (domestic/foreign) Homeland Security Science/Technology
  • $30,000 Jul 17, 2015 Issue: Science/Technology Defense Trade (domestic/foreign) Telecommunications Homeland Security
  • $30,000 Apr 17, 2015 Issue: Science/Technology Telecommunications Defense Trade (domestic/foreign) Homeland Security
  • $30,000 Jan 19, 2015 Issue: Science/Technology Homeland Security Trade (domestic/foreign) Defense Telecommunications
  • $30,000 Oct 17, 2014 Issue: Trade (domestic/foreign) Defense Telecommunications Homeland Security Science/Technology
  • $30,000 Jul 16, 2014 Issue: Trade (domestic/foreign) Telecommunications Homeland Security Science/Technology
  • $30,000 Apr 21, 2014 Issue: Science/Technology Homeland Security Trade (domestic/foreign) Telecommunications
  • $30,000 Feb 10, 2014 Issue: Telecommunications Trade (domestic/foreign) Homeland Security Science/Technology
  • $30,000 Oct 21, 2013 Issue: Telecommunications Trade (domestic/foreign) Homeland Security Science/Technology
  • $30,000 Jul 22, 2013 Issue: Science/Technology Trade (domestic/foreign) Telecommunications Homeland Security
  • $30,000 Apr 24, 2013 Issue: Homeland Security Trade (domestic/foreign) Telecommunications Science/Technology
  • $30,000 Jan 22, 2013 Issue: Science/Technology Trade (domestic/foreign) Telecommunications Homeland Security
  • $30,000 Oct 22, 2012 Issue: Trade (domestic/foreign) Telecommunications Homeland Security Science/Technology
  • $30,000 Jul 20, 2012 Issue: Science/Technology Homeland Security Trade (domestic/foreign) Telecommunications
  • $30,000 Apr 20, 2012 Issue: Homeland Security Science/Technology Trade (domestic/foreign) Telecommunications
  • $30,000 Jan 20, 2012 Issue: Telecommunications Trade (domestic/foreign) Science/Technology Homeland Security
  • $30,000 Oct 20, 2011 Issue: Trade (domestic/foreign) Homeland Security Science/Technology Telecommunications
  • $30,000 Jul 20, 2011 Issue: Science/Technology Trade (domestic/foreign) Homeland Security Telecommunications
  • $30,000 Apr 20, 2011 Issue: Science/Technology Trade (domestic/foreign) Telecommunications Homeland Security
  • $30,000 Jan 20, 2011 Issue: Trade (domestic/foreign) Science/Technology Telecommunications Homeland Security
  • $30,000 Oct 20, 2010 Issue: Trade (domestic/foreign) Telecommunications Homeland Security Science/Technology
  • $30,000 Jul 20, 2010 Issue: Science/Technology Trade (domestic/foreign) Telecommunications Homeland Security
  • $20,000 Apr 20, 2010 Issue: Trade (domestic/foreign) Telecommunications Homeland Security Science/Technology
  • $20,000 Oct 18, 2008 Issue: Telecommunications
  • $20,000 Jul 21, 2008 Issue: Telecommunications
  • $15,000 May 30, 2008 Issue: Telecommunications Copyright/Patent/Trademark
  • $30,000 Feb 14, 2008 Issue: Telecommunications Copyright/Patent/Trademark
  • $60,000 Aug 14, 2007 Issue: Telecommunications Copyright/Patent/Trademark
  • $60,000 Feb 15, 2007 Issue: Telecommunications Copyright/Patent/Trademark
  • $60,000 Aug 22, 2006 Issue: Telecommunications
  • $80,000 Feb 14, 2006 Issue: Telecommunications
  • $80,000 Jul 22, 2005 Issue: Telecommunications
  • $120,000 Feb 25, 2005 Issue: Telecommunications
  • $60,000 Aug 05, 2004 Issue: Telecommunications
  • $120,000 Apr 16, 2004 Issue: Telecommunications
  • $60,000 Aug 14, 2003 Issue: Telecommunications
  • $160,000 Feb 25, 2003 Issue: Telecommunications
  • $100,000 Aug 21, 2002 Issue: Telecommunications
  • $180,000 Mar 13, 2002 Issue: Telecommunications
  • $120,000 Aug 13, 2001 Issue: Telecommunications
  • $240,000 Feb 14, 2001 Issue: Telecommunications
  • $100,000 Aug 17, 2000 Issue: Telecommunications
  • $80,000 Feb 16, 2000 Issue: Telecommunications
  • $140,000 Aug 13, 1999 Issue: Telecommunications
Revolving Door

Former government officials who have lobbied for CIEN

16 former government officials from 12 congressional offices at 4 lobbying firms have lobbied for CIEN, most recently Sep 02, 2026.

  • Bob Corker
    Blake Killion Senate New Intern, Sen. Bob Corker; Staff Assistant, Legislative Correspondent, Legislative Aide, Sen. Marsha Blackburn; Legislative Assistant, Rep. Kevin McCarthy; Legislative Assistant, 20thDistrict of California; Legislative Assistant, Rep. Vince Fong. Formerly with Bob Corker · VALCOUR LLC · Sep 02, 2026
  • William Killion House New US Department of State - Director of House Affairs, Intergovernmental Affairs and Special Advisor for Oversight; Acting Director, Regional, Global, and Functional Affairs; Special Assistant for Intergovernmental and Legislative Affairs. Formerly US Department of State - Director of House Affairs, Intergovernmental Affairs an · VALCOUR LLC · Sep 02, 2026
  • Matthew Mowers House New US Department of State - Senior White House Advisor Formerly US Department of State - Senior White House Advisor · VALCOUR LLC · Sep 02, 2026
  • Grace Koh House U.S. Ambassador & Head of Delegation to ITU World Radiocommunication Conf. 2019, State Dept. (2019-20); Special Asst. to President for Tech, Telecom & Cybersecurity Policy (2017-19); Deputy Chief Counsel, U.S. House Subcmte on Comm. & Tech (2013-17). Formerly U.S. Ambassador & Head of Delegation to ITU World Radiocommunication Conf. 2019, · CIENA CORPORATION (FORMERLY CIENA CORPORATION, BROADBAND GROUP) · Jul 13, 2026
  • Rosa L. DeLauro
    Christina Barone House New Intern to Rep. Rosa DeLauro, January 2013-April 2013; and August 2014-May 2015. Formerly with Rosa L. DeLauro · AKIN GUMP STRAUSS HAUER & FELD · Dec 17, 2025
  • Kay R. Hagan
    Joshua Teitelbaum Senate New Deputy Assistant Secretary of Commerce, 2014-2016; Staff Director, US Senate HELP Subcommittee on Children and Families, 2013-2014; Legislative Assistant, Senator Kay Hagan, 2011-2013; Legislative Counsel, Congressman Steve Israel, 2009-2011. Formerly with Kay R. Hagan · AKIN GUMP STRAUSS HAUER & FELD · Dec 17, 2025
  • George R. Nethercutt Jr.
    Kelly Ann Shaw House New Depty. Assistant, President for International Economic Affairs, Depty Director, National Economic Council 2018-2019; Trade Counsel Committee on Ways and Means, 2016-2018; Legislative Correspondent Congressman George Nethercutt, 2004. Formerly with George R. Nethercutt Jr. · AKIN GUMP STRAUSS HAUER & FELD · Dec 17, 2025
  • Brett Guthrie
    Poorvie Bishnoi House New Intern, Rep Brett Guthrie (R-KY), Intern, Sen. Mitch McConnell (R-KY) Formerly with Brett Guthrie · MONUMENT ADVOCACY · Jul 21, 2025
See all 16 on the Revolving Door dashboard
Corporate Lobbying

CIEN Estimated quarterly lobbying spending

Revenue Breakdown

CIEN Revenue by Segment or Geography

By Segment
By Geography
CIEN Income Statement
CIEN Balance Sheet
CIEN Cash Flow
U.S. Patents

New CIEN patent grants

  • Patent Title: Methods and systems to select active and standby ports in link aggregation groups Jun. 05, 2018
  • Patent Title: Systems and methods modeling optical sources in optical spectrum controllers for control thereof May. 29, 2018
  • Patent Title: Systems and methods for a preemptive controller for photonic line systems May. 29, 2018
  • Patent Title: Horizontal synchronization extensions for service resizing in optical networks May. 29, 2018
  • Patent Title: Scalable switch fabric using optical interconnects May. 22, 2018
  • Patent Title: Systems and methods for channel additions over multiple cascaded optical nodes May. 15, 2018
  • Patent Title: Reduced complexity nonlinear compensation May. 15, 2018
  • Patent Title: Packet network linear protection systems and methods in a dual home or multi-home configuration May. 01, 2018
  • Patent Title: System and method for providing redundant ethernet network connections May. 01, 2018
  • Patent Title: Nonlinear spatially resolved interferometer (nl-sri) for characterizing optical properties of deployed telecommunication cables May. 01, 2018
  • Patent Title: Path computation based on dynamic performance monitoring systems and methods in optical networks Apr. 17, 2018
  • Patent Title: Phase modulator with reduced residual amplitude modulation Apr. 10, 2018
  • Patent Title: Method and apparatus for provisioning virtual network functions from a network service provider Apr. 03, 2018
  • Patent Title: Metered interface Mar. 27, 2018
  • Patent Title: Control plane assisted optical switch Mar. 13, 2018
  • Patent Title: Systems and methods for detecting and propagating resizability information of oduflex connections Mar. 13, 2018
  • Patent Title: Systems and methods improving optical restoration time in networks Feb. 27, 2018
  • Patent Title: Network technology interworking via user programmable event-action profiles Feb. 13, 2018
  • Patent Title: Dynamic licensing for applications and plugin framework for virtual network systems Feb. 13, 2018
  • Patent Title: Coordinated connection validation systems and methods among mated transceivers for verifying optical and data plane connectivity Jan. 30, 2018
  • Patent Title: Efficient prioritized restoration of services in a control plane-based optical network Jan. 23, 2018
  • Patent Title: Method and apparatus for multicast implementation in a network Jan. 23, 2018
  • Patent Title: Interferometer based on a tilted mmi Jan. 16, 2018
  • Patent Title: Systems and methods for mems-based cross-point electrical switching Jan. 16, 2018
  • Patent Title: Multi-width waveguides Jan. 09, 2018
  • Patent Title: High capacity fiber-optic integrated transmission systems Jan. 09, 2018
  • Patent Title: Systems and methods for dynamic symbols for devices in electrical schematics Jan. 09, 2018
  • Patent Title: Methods and systems for creating and applying a template driven element adapter Jan. 09, 2018
  • Patent Title: Data synchronization system and methods in a network using a highly-available key-value storage system Jan. 02, 2018
  • Patent Title: Flow based virtual network function orchestration Jan. 02, 2018
  • Patent Title: Frequency domain multiplex optical transmission Jan. 02, 2018
  • Patent Title: Automated provisioning and control of shared optical spectrum in submarine optical networks Dec. 26, 2017
  • Patent Title: Optical dispersion compensation in the electrical domain in an optical communications system Dec. 26, 2017
  • Patent Title: Systems and methods for path protection switching due to client protection switching Dec. 26, 2017
  • Patent Title: Connectorized optical chip assembly Dec. 26, 2017
  • Patent Title: Optic module cage assembly utilizing a stationary heatsink Dec. 26, 2017
  • Patent Title: Service preemption selection systems and methods in networks Dec. 19, 2017
  • Patent Title: Dynamic bandwidth allocation systems and methods using content identification in a software-defined networking controlled multi-layer network Dec. 19, 2017
  • Patent Title: Dual wavelenth optical time domain reflectometer systems and methods embedded in a wdm system Dec. 19, 2017
  • Patent Title: Manufacturing automation of in-situ temperature compensation information Dec. 19, 2017
  • Patent Title: Method of cooling stacked, pluggable optical transceivers Dec. 19, 2017
  • Patent Title: System and method for managing holdover Dec. 12, 2017
  • Patent Title: Optical modulator with improved efficiency Dec. 12, 2017
  • Patent Title: Tdm network call with compound service layer agreement Dec. 05, 2017
  • Patent Title: Systems and methods utilizing peer measurements to detect and defend against distributed denial of service attacks Dec. 05, 2017
  • Patent Title: Optimum utilization of green tokens in packet metering Dec. 05, 2017
  • Patent Title: Bandwidth optimization systems and methods in networks Dec. 05, 2017
  • Patent Title: Flexible ethernet operations, administration, and maintenance systems and methods Dec. 05, 2017
  • Patent Title: Method and apparatus for monetizing a carrier network Dec. 05, 2017
  • Patent Title: Service enhancement discovery for connectivity traits and virtual network functions in network services Dec. 05, 2017
Government Contracts

Federal grants, loans, and purchases

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No Government Contracts for this ticker

Government Contracts Dashboard
Government Contracts

Estimated quarterly amount awarded to CIEN from public contracts

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No recent Government Contracts for this ticker

Government Contracts Dashboard
CIEN News

Recent insights relating to CIEN

CNBC Recommendations

Recent picks made for CIEN stock on CNBC

Top ETF Holders

ETFs with the largest estimated holdings in CIEN

CIEN Analyst Ratings

CIEN Stock Forecasts
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CIEN Analyst Forecasts
Analyst
Firm
Current
Previous
Date
Frequently Asked Questions
  • Is $CIEN stock a Buy, Sell, or Hold?

  • What is the price target for $CIEN stock?

* Analyst consensus is not financial advice. Please see our data disclaimers .

CIEN Top Shareholders
Shareholder
Shares Held
CIEN Options Owners
Shareholder
Security
Underlying Shares
Frequently Asked Questions
  • Who owns $CIEN stock?

  • Who owns the most shares of $CIEN stock?

  • What funds own $CIEN stock?

* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.

CIEN Stock Smart Score

The Quiver Smart Score combines our data on Congress Trading, Lobbying, Insider Trading, CNBC Mentions and more to provide a comprehensive view of the strength of a stock's underlying data.

The Smart Score grades stocks on a scale of 1 (weakest) to 10 (strongest) based on the strength of the underlying data.
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Score Breakdown
Bull Case vs Bear Case

See concise summaries of analyst reports, presenting both bullish and bearish arguments for a stock.

Example:

Bulls Say:

The Bulls Say summary highlights positive aspects of the stock.

Bears Say:

The Bears Say summary points out potential risks and negative aspects of the stock.

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About CIEN

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.

  • Address Hanover, MD
  • Market Cap 50.6 billion
  • Employees 9,080
  • Industrial Classification Telephone & Telegraph Apparatus

Ciena Corporation (CIEN) Historical Stock Prices

Ciena Corporation (CIEN) closed at $358.43 on September 24, 2026. Over the past year its adjusted close ranged from $137.17 to $627.00. Daily prices go back to January 2, 2014, 3,201 trading days in all.

  • 1 month-7.54%
  • 3 months-26.05%
  • Year to date+53.26%
  • 1 year+158.94%
  • 3 years+660.67%
  • 5 years+589.02%
  • Max+1,427.83%
See every congressional and insider trade on the CIEN price chart

Quiver Premium charts CIEN's full daily history since 2014 with each congressional purchase and sale and every open-market insider purchase marked on the price line, with hover details for each trade.

Upgrade to Premium

Last 12 months, newest first

Access Raw Data Daily prices since 2014 for every ticker, through the Quiver API
DateOpenHighLowCloseAdj. CloseVolume
Sep 24, 2026 350.40 363.46 346.56 358.43 358.43 1,421,150
Sep 23, 2026 368.64 369.00 351.53 355.91 355.91 1,854,239
Sep 22, 2026 364.31 376.74 363.14 368.56 368.56 2,407,120
Sep 21, 2026 365.05 367.62 356.46 365.96 365.96 2,886,519
Sep 18, 2026 355.87 358.00 338.25 348.80 348.80 4,868,465
Sep 17, 2026 350.60 375.70 341.93 344.25 344.25 3,766,826
Sep 16, 2026 350.09 375.20 327.50 340.50 340.50 3,955,510
Sep 15, 2026 324.44 335.97 320.50 334.33 334.33 2,798,152
Sep 14, 2026 326.98 332.32 318.43 319.64 319.64 2,214,123
Sep 11, 2026 336.92 355.19 336.44 349.54 349.54 1,981,509
Sep 10, 2026 333.00 348.40 328.36 334.56 334.56 2,550,728
Sep 9, 2026 341.90 348.00 337.16 338.00 338.00 1,813,232
Sep 8, 2026 327.42 349.78 325.69 341.29 341.29 3,226,370
Sep 4, 2026 321.67 328.85 315.73 321.00 321.00 3,344,360
Sep 3, 2026 354.49 358.76 311.60 317.46 317.46 7,535,403
Sep 2, 2026 357.25 359.60 348.86 354.16 354.16 2,870,265
Sep 1, 2026 376.89 381.60 356.40 360.33 360.33 2,261,311
Aug 31, 2026 378.44 382.94 370.77 382.80 382.80 1,830,228
Aug 28, 2026 400.42 400.50 376.64 378.44 378.44 1,318,585
Aug 27, 2026 411.53 418.72 395.50 399.85 399.85 1,208,678
Aug 26, 2026 387.23 406.44 387.23 404.03 404.03 1,194,540
Aug 25, 2026 386.33 388.73 378.94 387.66 387.66 1,191,438
Aug 24, 2026 386.26 386.26 362.48 371.95 371.95 1,779,493
Aug 21, 2026 396.00 403.72 382.75 395.79 395.79 1,235,391
Aug 20, 2026 400.35 404.35 389.10 392.48 392.48 1,453,149
Aug 19, 2026 415.50 415.50 392.67 399.47 399.47 1,771,859
Aug 18, 2026 421.58 427.74 391.77 405.54 405.54 3,052,261
Aug 17, 2026 438.38 458.00 427.44 445.18 445.18 2,494,716
Aug 14, 2026 441.61 446.15 422.49 428.77 428.77 2,518,982
Aug 13, 2026 430.32 462.69 427.00 442.79 442.79 2,912,856
Aug 12, 2026 414.50 446.36 409.24 432.05 432.05 3,989,294
Aug 11, 2026 388.84 394.99 384.19 387.53 387.53 1,534,885
Aug 10, 2026 420.00 420.00 387.28 387.70 387.70 2,021,744
Aug 7, 2026 411.04 420.00 396.89 412.39 412.39 1,887,192
Aug 6, 2026 396.05 419.49 390.56 403.76 403.76 1,354,110
Aug 5, 2026 408.56 424.58 399.07 408.83 408.83 1,773,949
Aug 4, 2026 419.08 427.00 405.01 411.13 411.13 2,069,060
Aug 3, 2026 365.00 391.87 355.00 390.76 390.76 1,243,704
Jul 31, 2026 393.98 401.00 374.38 377.05 377.05 1,948,363
Jul 30, 2026 359.27 373.09 355.00 372.07 372.07 2,464,340
Jul 29, 2026 349.64 350.80 323.29 330.37 330.37 2,634,856
Jul 28, 2026 354.90 357.47 328.80 350.51 350.51 4,180,798
Jul 27, 2026 388.19 388.19 360.00 377.27 377.27 1,513,129
Jul 24, 2026 401.85 408.74 386.25 390.96 390.96 1,489,247
Jul 23, 2026 394.10 415.80 394.10 407.53 407.53 1,803,707
Jul 22, 2026 396.95 411.01 396.87 397.16 397.16 1,755,662
Jul 21, 2026 397.70 412.04 396.55 408.73 408.73 2,036,385
Jul 20, 2026 375.01 394.56 375.00 378.77 378.77 1,757,436
Jul 17, 2026 370.99 388.61 359.01 374.41 374.41 3,366,056
Jul 16, 2026 404.79 410.31 386.65 388.81 388.81 2,602,476
Jul 15, 2026 451.01 451.01 404.40 418.46 418.46 1,655,773
Jul 14, 2026 460.88 466.66 446.25 446.93 446.93 1,247,171
Jul 13, 2026 448.67 461.45 440.51 445.44 445.44 1,220,453
Jul 10, 2026 453.00 464.42 450.00 460.72 460.72 1,283,347
Jul 9, 2026 460.60 485.69 459.81 462.34 462.34 2,045,421
Jul 8, 2026 419.22 442.14 415.70 440.97 440.97 1,826,215
Jul 7, 2026 418.77 425.96 404.43 418.91 418.91 1,815,721
Jul 6, 2026 426.99 446.39 422.30 433.83 433.83 1,329,637
Jul 2, 2026 454.16 459.73 414.17 422.46 422.46 2,155,633
Jul 1, 2026 466.20 482.16 459.23 462.44 462.44 2,042,939
Jun 30, 2026 478.93 491.79 472.59 490.56 490.56 2,445,463
Jun 29, 2026 476.10 482.46 435.12 478.93 478.93 4,074,918
Jun 26, 2026 466.33 493.26 457.70 479.50 479.50 8,736,146
Jun 25, 2026 477.42 494.53 451.56 484.69 484.69 3,558,877
Jun 24, 2026 449.36 480.59 440.70 463.51 463.51 2,801,981
Jun 23, 2026 437.00 467.89 432.49 459.85 459.85 3,816,527
Jun 22, 2026 437.82 461.50 430.51 460.33 460.33 3,863,828
Jun 18, 2026 450.80 451.60 425.08 428.22 428.22 4,297,293
Jun 17, 2026 433.00 449.00 424.33 436.72 436.72 2,883,827
Jun 16, 2026 458.73 463.55 426.62 430.30 430.30 4,210,629
Jun 15, 2026 469.95 479.51 447.62 463.41 463.41 3,955,900
Jun 12, 2026 445.22 458.47 440.71 445.98 445.98 2,665,183
Jun 11, 2026 441.66 451.10 430.82 445.22 445.22 3,000,405
Jun 10, 2026 442.00 450.78 424.45 434.65 434.65 3,869,932
Jun 9, 2026 465.91 467.60 417.34 439.34 439.34 7,863,859
Jun 8, 2026 489.77 493.09 457.79 466.67 466.67 5,635,282
Jun 5, 2026 512.31 525.15 488.14 488.21 488.21 4,195,421
Jun 4, 2026 552.39 552.39 491.00 535.63 535.63 7,611,820
Jun 3, 2026 628.51 637.51 609.79 620.37 620.37 2,654,015
Jun 2, 2026 583.58 629.61 581.63 627.00 627.00 2,725,851
Jun 1, 2026 559.52 579.97 552.59 569.61 569.61 2,894,237
May 29, 2026 566.02 582.47 539.57 580.23 580.23 3,865,952
May 28, 2026 598.80 604.43 561.30 570.18 570.18 1,821,600
May 27, 2026 605.53 605.53 576.88 582.08 582.08 1,754,896
May 26, 2026 591.00 605.61 575.51 602.39 602.39 1,410,999
May 22, 2026 599.00 599.50 574.03 583.74 583.74 1,622,005
May 21, 2026 557.00 590.13 555.71 587.23 587.23 1,548,472
May 20, 2026 554.21 572.39 545.10 554.76 554.76 1,985,867
May 19, 2026 514.04 542.92 499.01 541.92 541.92 2,331,485
May 18, 2026 563.49 567.08 516.61 524.53 524.53 2,502,785
May 15, 2026 570.65 574.20 553.30 554.46 554.46 2,423,358
May 14, 2026 577.90 591.57 566.00 591.57 591.57 1,121,895
May 13, 2026 594.00 598.84 562.50 577.90 577.90 1,272,676
May 12, 2026 567.78 582.00 546.98 577.15 577.15 1,603,667
May 11, 2026 558.00 593.00 550.49 581.47 581.47 2,380,716
May 8, 2026 549.00 564.83 538.77 548.11 548.11 1,501,585
May 7, 2026 564.39 569.00 515.49 538.76 538.76 3,546,930
May 6, 2026 563.00 583.77 550.06 576.79 576.79 2,244,799
May 5, 2026 553.63 562.00 539.43 544.75 544.75 1,632,380
May 4, 2026 540.00 548.20 528.36 538.51 538.51 1,198,633
May 1, 2026 527.25 550.00 518.58 535.29 535.29 1,733,825
Apr 30, 2026 487.97 529.89 486.25 527.58 527.58 2,665,450
Apr 29, 2026 480.14 482.54 468.31 475.39 475.39 1,830,424
Apr 28, 2026 485.00 493.31 461.07 473.69 473.69 3,103,069
Apr 27, 2026 515.82 516.34 485.00 506.34 506.34 1,684,236
Apr 24, 2026 514.82 527.50 505.55 520.80 520.80 1,418,284
Apr 23, 2026 505.00 527.86 497.09 515.85 515.85 2,281,939
Apr 22, 2026 511.50 518.15 467.19 498.97 498.97 2,778,042
Apr 21, 2026 507.77 522.50 493.54 505.93 505.93 1,805,652
Apr 20, 2026 512.00 517.88 497.62 503.27 503.27 1,963,473
Apr 17, 2026 500.47 513.83 495.17 507.43 507.43 1,926,270
Apr 16, 2026 476.75 495.40 462.00 495.17 495.17 2,298,719
Apr 15, 2026 471.78 481.28 454.34 475.76 475.76 3,041,125
Apr 14, 2026 486.75 487.74 458.01 467.19 467.19 3,429,530
Apr 13, 2026 493.44 494.60 472.32 479.90 479.90 3,048,391
Apr 10, 2026 498.11 508.64 475.22 496.02 496.02 2,498,395
Apr 9, 2026 498.91 513.49 473.73 487.38 487.38 3,280,367
Apr 8, 2026 475.50 499.39 471.66 494.01 494.01 4,110,400
Apr 7, 2026 435.28 449.34 421.30 447.88 447.88 1,969,528
Apr 6, 2026 455.45 459.80 432.77 434.26 434.26 1,939,070
Apr 2, 2026 400.98 453.00 400.00 447.76 447.76 3,617,746
Apr 1, 2026 401.71 421.99 399.82 415.39 415.39 2,677,105
Mar 31, 2026 373.77 388.72 364.16 388.23 388.23 3,020,976
Mar 30, 2026 411.00 414.75 361.70 365.00 365.00 3,512,374
Mar 27, 2026 394.82 411.50 391.36 401.61 401.61 2,518,013
Mar 26, 2026 428.47 428.74 387.40 387.99 387.99 3,719,886
Mar 25, 2026 431.50 446.89 423.88 437.70 437.70 2,670,787
Mar 24, 2026 405.00 434.22 405.00 429.38 429.38 3,382,007
Mar 23, 2026 399.40 415.57 393.95 407.90 407.90 3,544,005
Mar 20, 2026 416.00 419.80 380.11 383.89 383.89 5,809,564
Mar 19, 2026 373.12 416.76 371.00 412.58 412.58 3,934,558
Mar 18, 2026 376.00 402.17 376.00 385.26 385.26 4,159,451
Mar 17, 2026 358.31 379.42 350.36 370.05 370.05 3,263,987
Mar 16, 2026 345.00 367.45 344.99 363.88 363.88 3,759,723
Mar 13, 2026 339.22 353.25 334.50 337.38 337.38 2,425,790
Mar 12, 2026 344.26 350.33 329.41 336.83 336.83 2,641,061
Mar 11, 2026 333.89 346.06 329.58 339.95 339.95 2,063,731
Mar 10, 2026 325.00 349.77 325.00 337.36 337.36 3,020,891
Mar 9, 2026 289.49 319.29 287.25 318.54 318.54 3,070,255
Mar 6, 2026 294.81 315.84 293.11 294.17 294.17 3,924,162
Mar 5, 2026 312.01 315.50 278.39 299.30 299.30 7,851,824
Mar 4, 2026 339.19 353.78 335.00 343.55 343.55 2,708,630
Mar 3, 2026 339.57 340.69 320.31 333.07 333.07 3,014,089
Mar 2, 2026 353.76 364.05 345.06 353.73 353.73 2,527,510
Feb 27, 2026 340.66 353.57 337.11 348.70 348.70 3,083,021
Feb 26, 2026 354.59 358.63 326.76 341.16 341.16 2,612,883
Feb 25, 2026 345.99 365.90 345.68 353.33 353.33 2,348,344
Feb 24, 2026 341.00 348.28 334.91 342.70 342.70 2,270,180
Feb 23, 2026 332.86 346.55 330.20 344.84 344.84 2,197,402
Feb 20, 2026 317.04 340.27 314.69 334.95 334.95 2,527,668
Feb 19, 2026 308.88 320.42 303.55 318.41 318.41 2,389,495
Feb 18, 2026 302.72 317.28 299.96 310.96 310.96 2,223,837
Feb 17, 2026 297.91 307.63 286.81 302.33 302.33 2,182,171
Feb 13, 2026 293.83 304.18 270.00 303.92 303.92 3,088,177
Feb 12, 2026 300.00 305.00 284.15 292.96 292.96 2,871,527
Feb 11, 2026 307.28 308.81 286.55 297.25 297.25 3,525,878
Feb 10, 2026 288.08 298.99 280.04 298.70 298.70 2,274,468
Feb 9, 2026 270.70 297.01 266.61 289.68 289.68 4,303,788
Feb 6, 2026 262.65 273.00 251.26 271.32 271.32 33,471,358
Feb 5, 2026 242.64 261.00 238.57 252.98 252.98 3,316,187
Feb 4, 2026 277.05 285.97 248.97 253.50 253.50 5,577,101
Feb 3, 2026 276.55 284.79 266.20 276.52 276.52 3,186,562
Feb 2, 2026 247.93 271.21 246.03 268.49 268.49 2,534,015
Jan 30, 2026 254.01 269.90 247.47 251.81 251.81 3,246,929
Jan 29, 2026 257.00 259.83 241.68 253.53 253.53 2,262,449
Jan 28, 2026 247.52 258.43 244.74 257.30 257.30 2,072,972
Jan 27, 2026 239.90 247.75 236.18 247.52 247.52 1,971,261
Jan 26, 2026 230.00 242.00 225.71 232.23 232.23 1,471,885
Jan 23, 2026 229.16 232.03 220.52 229.14 229.14 1,806,218
Jan 22, 2026 236.62 239.12 222.87 230.03 230.03 2,094,952
Jan 21, 2026 241.52 242.00 226.82 231.89 231.89 2,884,938
Jan 20, 2026 229.15 246.21 227.37 241.21 241.21 2,738,165
Jan 16, 2026 247.09 253.90 241.55 243.42 243.42 2,056,229
Jan 15, 2026 245.00 252.19 243.35 243.79 243.79 1,747,677
Jan 14, 2026 244.91 245.80 233.17 238.38 238.38 1,776,694
Jan 13, 2026 234.90 249.96 234.26 246.42 246.42 1,699,219
Jan 12, 2026 227.59 234.27 223.50 234.26 234.26 2,240,021
Jan 9, 2026 219.28 230.86 216.07 230.56 230.56 2,772,432
Jan 8, 2026 258.26 259.00 221.14 225.21 225.21 4,574,054
Jan 7, 2026 253.00 261.13 248.99 259.27 259.27 3,220,749
Jan 6, 2026 230.20 254.81 221.12 254.19 254.19 3,456,173
Jan 5, 2026 250.34 252.60 223.27 230.90 230.90 3,215,877
Jan 2, 2026 241.00 248.50 237.62 246.06 246.06 1,985,028
Dec 31, 2025 239.08 239.90 232.41 233.87 233.87 1,170,437
Dec 30, 2025 240.17 240.50 236.83 238.36 238.36 1,162,997
Dec 29, 2025 237.26 241.22 230.13 239.00 239.00 1,755,855
Dec 26, 2025 240.90 242.51 238.43 241.68 241.68 946,948
Dec 24, 2025 240.59 242.00 237.93 240.28 240.28 833,187
Dec 23, 2025 234.75 243.00 234.75 240.29 240.29 1,802,104
Dec 22, 2025 235.00 239.38 230.40 236.75 236.75 2,811,431
Dec 19, 2025 212.74 231.35 212.41 230.34 230.34 4,528,342
Dec 18, 2025 212.00 215.47 209.00 210.71 210.71 3,057,063
Dec 17, 2025 212.85 215.70 201.70 203.90 203.90 2,365,593
Dec 16, 2025 214.46 215.44 206.54 209.84 209.84 2,727,491
Dec 15, 2025 220.84 226.02 215.60 216.18 216.18 2,686,549
Dec 12, 2025 236.00 237.91 215.18 218.44 218.44 4,664,456
Dec 11, 2025 236.35 248.00 222.45 242.37 242.37 8,607,334
Dec 10, 2025 216.50 226.24 214.40 221.85 221.85 3,822,244
Dec 9, 2025 212.93 219.88 212.28 214.35 214.35 3,288,538
Dec 8, 2025 205.00 213.03 203.00 212.93 212.93 3,774,979
Dec 5, 2025 199.63 201.77 194.85 201.71 201.71 2,332,252
Dec 4, 2025 190.56 197.76 190.01 195.73 195.73 2,447,334
Dec 3, 2025 201.00 202.22 186.39 193.35 193.35 3,809,096
Dec 2, 2025 204.03 209.19 198.00 202.50 202.50 2,282,793
Dec 1, 2025 194.49 201.44 192.19 200.92 200.92 2,303,788
Nov 28, 2025 203.80 204.59 201.00 204.21 204.21 1,262,367
Nov 26, 2025 197.36 203.16 195.81 200.29 200.29 2,033,251
Nov 25, 2025 191.51 196.24 187.54 196.24 196.24 2,114,001
Nov 24, 2025 183.05 196.51 182.18 194.70 194.70 14,026,585
Nov 21, 2025 175.97 179.00 168.22 178.26 178.26 3,812,615
Nov 20, 2025 198.11 202.60 175.43 176.45 176.45 3,939,225
Nov 19, 2025 187.93 192.35 184.67 188.78 188.78 2,725,935
Nov 18, 2025 189.03 191.84 182.89 187.00 187.00 3,498,822
Nov 17, 2025 190.80 196.40 188.04 191.78 191.78 3,143,581
Nov 14, 2025 184.05 195.91 183.08 191.71 191.71 5,734,247
Nov 13, 2025 206.99 207.83 191.81 194.21 194.21 3,621,692
Nov 12, 2025 209.94 211.07 206.08 209.52 209.52 2,188,774
Nov 11, 2025 204.53 208.25 200.75 207.43 207.43 2,880,073
Nov 10, 2025 206.80 214.17 205.16 208.74 208.74 3,523,332
Nov 7, 2025 193.00 201.34 190.15 199.26 199.26 3,331,092
Nov 6, 2025 199.41 203.40 195.25 201.46 201.46 2,830,103
Nov 5, 2025 183.99 196.99 182.49 195.81 195.81 2,782,498
Nov 4, 2025 182.53 188.77 177.41 182.87 182.87 3,044,936
Nov 3, 2025 193.34 194.41 187.93 189.56 189.56 1,725,688
Oct 31, 2025 189.59 193.03 185.27 189.92 189.92 2,146,403
Oct 30, 2025 188.17 193.74 186.13 188.96 188.96 1,940,986
Oct 29, 2025 184.70 193.12 184.50 189.27 189.27 2,589,072
Oct 28, 2025 182.26 184.98 173.80 183.04 183.04 2,597,271
Oct 27, 2025 182.63 186.32 180.92 182.54 182.54 1,909,546
Oct 24, 2025 175.83 181.05 175.59 179.05 179.05 1,851,416
Oct 23, 2025 164.48 173.84 164.13 172.58 172.58 2,242,312
Oct 22, 2025 170.44 173.47 159.56 164.48 164.48 3,091,089
Oct 21, 2025 172.81 174.08 169.11 169.71 169.71 2,083,714
Oct 20, 2025 173.63 177.79 171.95 173.12 173.12 2,011,113
Oct 17, 2025 169.48 173.06 165.08 170.95 170.95 1,965,779
Oct 16, 2025 170.43 176.88 170.05 170.78 170.78 2,615,934
Oct 15, 2025 168.99 172.92 166.89 168.71 168.71 2,401,762
Oct 14, 2025 161.55 167.28 159.01 164.82 164.82 1,738,638
Oct 13, 2025 164.00 167.34 160.10 164.78 164.78 2,884,671
Oct 10, 2025 165.24 165.24 153.27 155.94 155.94 3,059,253
Oct 9, 2025 158.13 164.02 157.16 163.61 163.61 2,365,981
Oct 8, 2025 152.70 159.85 152.54 159.66 159.66 1,981,300
Oct 7, 2025 154.00 155.20 147.36 151.48 151.48 2,718,482
Oct 6, 2025 152.68 159.43 151.64 153.25 153.25 3,005,677
Oct 3, 2025 153.55 154.01 150.27 151.45 151.45 1,762,382
Oct 2, 2025 153.23 153.61 148.02 152.66 152.66 2,280,349
Oct 1, 2025 144.24 151.89 143.19 151.72 151.72 3,107,595
Sep 30, 2025 144.52 146.53 143.75 145.67 145.67 2,088,155
Sep 29, 2025 145.81 146.51 143.00 144.12 144.12 2,318,615
Sep 26, 2025 140.24 143.79 138.12 141.93 141.93 3,797,736
Sep 25, 2025 134.51 137.61 133.67 137.17 137.17 2,808,129
Sep 24, 2025 139.38 140.21 136.04 138.42 138.42 2,367,329

Open, high, low and close are the prices as traded. Adjusted close accounts for splits and dividends, and is what the chart and returns use. Where a company changed its ticker, its history under the old symbol is included.

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Ciena Corporation Executive Compensation

We estimate that -- received a compensation of -- in --, making them the highest paid executive at CIEN, per a recent SEC DEF 14A filing. We estimate that the median employee at CIENA CORP is paid $99,735.



Name
Role
Salary
Bonus
Stock/Option Awards
Total Compensation