Stock comparison
AAOI vs AEHR
AAOIUS
Applied Optoelectronics, Inc.
- Last close
- $124.82
- Market cap
- $10.6B
- Sector
- Information Technology
- 30d return
- +4.1%
- 90d return
- -14.7%
- 252d return
- -
AEHRUS
Aehr Test Systems
- Last close
- $101.73
- Market cap
- $3.3B
- Sector
- Information Technology
- 30d return
- +40.1%
- 90d return
- +36.8%
- 252d return
- -
Shared context
Themes
Want the full picture? AAOI stock page · AEHR stock page · full correlation matrix
Data refreshes daily. Last close 2026-08-21.