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Ciena Corporation is listed on the New York Stock Exchange, where it trades under the ticker symbol CIEN. It is classified in the Technology sector.
CIEN last traded at USD 321.29 on 4 September 2026, up 0.09% on the session. Live prices for Ciena Corporation update through the trading day on Wallflake.
Ciena Corporation has a market capitalisation of approximately USD 45.55B, based on its closing price on 4 September 2026.
Over the past 52 weeks CIEN has traded between a low of USD 113.66 and a high of USD 637.51.
CIEN has a price-to-earnings (P/E) ratio of 378.13 and earnings per share (EPS) of USD 0.85. These figures are reported metrics, not a valuation opinion — Wallflake does not issue buy, sell or hold recommendations.
CIEN shares are bought and sold through a broker licensed to trade on the New York Stock Exchange. You open an account with a licensed broker, fund it, and place an order quoting the ticker CIEN. Wallflake is a market-data and research platform, not a broker, and does not execute trades or give investment advice. See our New York Stock Exchange guide for how the market works. Read the guide
Figures are drawn from Wallflake's market data and are provided for information only. Nothing here is investment advice or a recommendation to buy or sell any security.