Ciena CorporationCIEN
Closing prices as of Sep 15, 2026Updated once daily after the US close — not a live quote.

$333.85

-23.86% past month

Notable price movement

  • Sep 15, 2026

    $334.33+4.60%

    Ciena shares rose 4.60% as 24/7 Wall St reported that a selloff in optical names was unwinding, with Coherent also edging higher and Corning holding steady . The move came alongside a decline in the broad market, with the S&P 500 ETF falling 0.46% the same session .

  • Sep 14, 2026

    $319.64-8.55%

    Ciena shares fell 8.55%, a move not shared by the broad market, which saw the S&P 500 ETF slip just 0.45% the same session .

  • Sep 11, 2026

    $349.54+4.48%

    Ciena shares rose 4.48% on a day the broad market was little changed, with the S&P 500 ETF up 0.85%, indicating the move was not shared by the wider market .

  • Sep 10, 2026

    $334.56-1.02%

  • Sep 9, 2026

    $338.00-0.96%

  • Sep 8, 2026

    $341.29+6.32%

    Ciena shares rose 6.32% on the day, a move not shared by the broader market, which fell 0.55% in the same session .

  • Sep 4, 2026

    $321.00+1.12%

Closing prices for CIEN. Summaries describe past sessions only and are not advice, a forecast or a recommendation.

Recent news

The Motley Fool1 day agoPrediction: This Growth Stock Will Soar 350% by 2030 Thanks to the Next Big AI Infrastructure Bottleneck24/7 Wall St1 day agoCiena Rises 4% as Optics Selloff Unwinds; Coherent Edges Higher, Corning Holds SteadySeeking Alpha4 days agoCiena: AI-Driven Networking Demand Supports The Buy CaseYahoo FinanceJul 16, 2026Ciena Corporation (CIEN) CEO on the Company's GrowthThe Motley Fool5 days agoAdobe vs. Ciena: Which Technology Stock Is a Better Buy in 2026?Seeking Alpha5 days agoCiena's Q3 Delivers Textbook Buying Opportunity (Upgrade)

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Prices and financial data are historical and provided for research only. Not investment advice.