Stock comparison
CIEN vs ISRG
CIENUS
Ciena Corporation
- Last close
- $395.79
- Market cap
- $56.0B
- Sector
- Information Technology
- 30d return
- -14.1%
- 90d return
- -15.3%
- 252d return
- -
ISRGUS
Intuitive Surgical, Inc.
- Last close
- $378.81
- Market cap
- $135.7B
- Sector
- Health Care
- 30d return
- -6.9%
- 90d return
- -18.9%
- 252d return
- -
Want the full picture? CIEN stock page · ISRG stock page · full correlation matrix
Data refreshes daily. Last close 2026-08-21.