Ciena Corporation (CIEN)

Last close 320.26 USD (Oct 23, 2026), on the day −0.7 %.

Markets today
Every market
The economy
Rates and the Fed
Risk and mood
Market calendar
Connections
Articles and videos
Baskets
Superinvestors
Insiders
Community
What people hold
Portfolio ranking
Daily and weekly call
The week's events
Community members
Guessing games
Q&A
Taxes by broker
Tools
CNB exchange rates
RSU and ESPP
About hedger