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

3M chart

Closing price and volume

CIEN three-month price chart311.6349.4387.1424.9462.7Jul 31Aug 19Sep 8Sep 24Oct 13Oct 30