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

1M chart

Closing price and volume

CIEN one-month price chart313.3348.6384.0419.4454.7Oct 1Oct 7Oct 13Oct 20Oct 26Oct 30