Are AAOI and COHR correlated?

AAOI and COHR have a 252-day pairwise correlation of 0.72 (tight). Values above 0.6 indicate the two stocks tend to move together as part of the same capital flow; below 0.4 they're largely independent.

Do AAOI and COHR share any ETFs?

No ETF in QuantAbundance's coverage currently holds both AAOI and COHR.

Which bubbles or themes do AAOI and COHR share?

AAOI and COHR share these AI-supercycle groupings: Networking / Optical (bubble), Photonics (theme).

Stock comparison

AAOI vs COHR

Applied Optoelectronics, Inc. and Coherent Corp. - both members of Networking / Optical.

AAOIUS

Applied Optoelectronics, Inc.

Last close: $50.13
Market cap: $4.6B
Sector: Information Technology
30d return: -50.6%
90d return: -63.9%
252d return: -

COHRUS

Coherent Corp.

Last close: $192.81
Market cap: $38.0B
Sector: Information Technology
30d return: -34.8%
90d return: -47.7%
252d return: -

252-day correlation

0.72tight

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

Networking / Optical

Themes

Photonics

Want the full picture? AAOI stock page · COHR stock page · full correlation matrix

Data refreshes daily. Last close 2026-11-08.