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    Ciena Corporation

    CIEN | NYSE
    Chart Builder DCF Calculator
    $320.69
    -$28.76 (-8.23%)
    At close: Oct 30, 2026, 3:59 PM ET
    $326.00
    +$5.31 (+1.66%)
    Pre-market: Nov 2, 2026, 7:58 AM ET

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