Stock comparison
AAOI vs AEHR
AAOIUS
Applied Optoelectronics, Inc.
- Last close
- $114.41
- Market cap
- $9.2B
- Sector
- Information Technology
- 30d return
- -35.8%
- 90d return
- +96.9%
- 252d return
- -
AEHRUS
Aehr Test Systems
- Last close
- $66.94
- Market cap
- $2.1B
- Sector
- Information Technology
- 30d return
- -27.2%
- 90d return
- +61.4%
- 252d return
- -
Shared context
Themes
Want the full picture? AAOI stock page · AEHR stock page · full correlation matrix
Data refreshes daily. Last close 2026-07-07.