Stock comparison
AAOI vs AEHR
AAOIUS
Applied Optoelectronics, Inc.
- Last close
- $100.24
- Market cap
- $8.0B
- Sector
- Information Technology
- 30d return
- -50.5%
- 90d return
- +4.9%
- 252d return
- -
AEHRUS
Aehr Test Systems
- Last close
- $84.20
- Market cap
- $2.7B
- Sector
- Information Technology
- 30d return
- -25.5%
- 90d return
- +136.5%
- 252d return
- -
Shared context
Themes
Want the full picture? AAOI stock page · AEHR stock page · full correlation matrix
Data refreshes daily. Last close 2026-07-16.