Stock comparison
AAOI vs COHR
Applied Optoelectronics, Inc. and Coherent Corp. - both members of Networking / Optical.
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
- -
COHRUS
Coherent Corp.
- Last close
- $314.13
- Market cap
- $61.5B
- Sector
- Information Technology
- 30d return
- -17.8%
- 90d return
- +17.3%
- 252d return
- -
252-day correlation
0.60moderate
Pearson correlation of daily log-returns over the last 252 trading days. >0.6 = tight (move as one bloc); 0.4-0.6 = thematic linkage;<0.4 = largely independent. See the full matrix.
Shared context
Bubbles
Themes
Want the full picture? AAOI stock page · COHR stock page · full correlation matrix
Data refreshes daily. Last close 2026-07-07.