Stock comparison
AAOI vs CIEN
Applied Optoelectronics, Inc. and Ciena Corporation - both members of Networking / Optical.
AAOIUS
Applied Optoelectronics, Inc.
- Last close
- $101.03
- Market cap
- $8.6B
- Sector
- Information Technology
- 30d return
- -26.8%
- 90d return
- -46.5%
- 252d return
- -
CIENUS
Ciena Corporation
- Last close
- $358.43
- Market cap
- $50.8B
- Sector
- Information Technology
- 30d return
- -17.0%
- 90d return
- -35.0%
- 252d return
- -
Shared context
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Themes
Want the full picture? AAOI stock page · CIEN stock page · full correlation matrix
Data refreshes daily. Last close 2026-09-24.