Are AAOI and ABB correlated?

AAOI and ABB have a 252-day pairwise correlation of 0.77 (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 ABB share any ETFs?

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

Which bubbles or themes do AAOI and ABB share?

AAOI and ABB are not currently in any shared bubble or theme in QuantAbundance's taxonomy.

Stock comparison

AAOI vs ABB

Applied Optoelectronics, Inc. and ABB Ltd

AAOIUS

Applied Optoelectronics, Inc.

Last close: $101.03
Market cap: $8.6B
Sector: Information Technology
30d return: -26.8%
90d return: -46.5%
252d return: -

ABBUS

ABB Ltd

Last close: $97.88
Market cap: $122.0B
Sector: Industrials
30d return: -
90d return: -
252d return: -

252-day correlation

0.77tight

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.

AAOI and ABB don't currently share any bubble, theme, or ETF in QuantAbundance's coverage - they likely sit in different capital-flow blocs.

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

Data refreshes daily. Last close 2026-09-24.