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

5m chart

Closing price and volume

CIEN five-minute interval price chart313.3327.0340.8354.5368.2Oct 26Oct 27Oct 28Oct 29Oct 30

Built from the cached five-day intraday bars.