CIEN

Technology / Communication Equipment

Ciena Corp

404.89-44.82 (-9.97%)After-hours — · session close 2026-10-12

Market Cap / EV$57.0BEV —

Trailing / Forward P/E87.66 / —as of 2026-10-12

Short float2.75%DTC 1.44

Next earnings—BMO —

Short interest

FINRA settlement 2026-09-30

Short shares3.9M

Previous3.6M

Change+7.74%

Days to cover1.44

Avg volume2.7M

Short % float2.75%

Float140.9M

bar 2026-10-12 · stop / take-profit vs last close

Close404.89

ATR26.45

Stop351.98

Take profit510.70

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