Stock comparison
AAOI vs AEHR
AAOIUS
Applied Optoelectronics, Inc.
- Last close
- $150.28
- Market cap
- $12.7B
- Sector
- Information Technology
- 30d return
- +24.2%
- 90d return
- +27.7%
- 252d return
- -
AEHRUS
Aehr Test Systems
- Last close
- $134.06
- Market cap
- $4.4B
- Sector
- Information Technology
- 30d return
- +91.6%
- 90d return
- +166.8%
- 252d return
- -
Shared context
Themes
Want the full picture? AAOI stock page · AEHR stock page · full correlation matrix
Data refreshes daily. Last close 2026-08-15.