CIEN chart

Ciena Corporation · Quote, news and financials

320.72 USD
-28.73 -8.22%
Bid
320.62 × 80
Ask
320.78 × 40

Extended hours 323.87 +0.98%

As of Oct 30, 2026

6M chart

Closing price and volume

CIEN six-month price chart311.6393.1474.6556.0637.5May 26Jun 26Jul 26Aug 26Sep 26Oct 26