Ciena
CIEN
446.45
+2.80
+0.63%
Ciena
US · CIEN
#441 by market cap
Listed 1970
446.45
+2.80
+0.63%
Live - 5344 symbols - heartbeat 19s ago
· 2026-10-08 07:00
Pre-market
433.90
-2.81%
After-hours
446.62
+0.04%
Overnight
436.20
-2.30%
- Market cap
- 63.31B
- P/E (TTM)i
- 99.88
- P/Bi
- 20.71
- EPSi
- 0.85
- Div yieldi
- 0.00%
- 52W posi
- 60%
Reader sentiment
Are you bullish or bearish on CIEN?
Anonymous reader poll. Unscientific, not investment advice.
Stock splits
- 7→1 2006-09-25
- 1→2 2000-09-19
Quote time 2026-10-08 07:00:13 · For reference only, not investment advice and not tailored to your situation.