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

1D chart

Closing price and volume

CIEN one-day price chart313.3318.1323.0327.9332.79:30 AM10:48 AM12:06 PM1:24 PM2:42 PM4:00 PM