Stock comparison
CIEN vs TER
CIENUS
Ciena Corporation
- Last close
- $395.79
- Market cap
- $56.0B
- Sector
- Information Technology
- 30d return
- -14.1%
- 90d return
- -15.3%
- 252d return
- -
TERUS
Teradyne, Inc.
- Last close
- $375.74
- Market cap
- $58.7B
- Sector
- Information Technology
- 30d return
- +4.5%
- 90d return
- +2.8%
- 252d return
- -
Want the full picture? CIEN stock page · TER stock page · full correlation matrix
Data refreshes daily. Last close 2026-08-21.