CIEN

Ciena Corporation

$357.69

1.52 (0.42%) Today

0.78 (0.22%) After-hours

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Compare CIEN

Open

$356.91

Previous Close

$358.43

Day Range

$355.01 – $366.43

52-Week Range

$143.00 – $637.51

Earnings Date

Dec 9, 2026

Volume

1.62M

Exchange

NYSE

About CIEN

Ciena Corporation is an American optical networking systems and software company based in Hanover, Maryland. The company reported revenues of $4.8 billion and more than 9,000 employees, as of November 2025. Gary Smith has been president and chief executive officer (CEO) since 2003.