Are ACLS and KLAC correlated?

ACLS and KLAC have a 252-day pairwise correlation of 0.71 (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 ACLS and KLAC share any ETFs?

No ETF in QuantAbundance's coverage currently holds both ACLS and KLAC.

Which bubbles or themes do ACLS and KLAC share?

ACLS and KLAC share these AI-supercycle groupings: Semi Equipment / Litho (bubble).

Stock comparison

ACLS vs KLAC

Axcelis Technologies, Inc. and KLA Corporation - both members of Semi Equipment / Litho.

ACLSUS

Axcelis Technologies, Inc.

Last close: $99.24
Market cap: $3.1B
Sector: Information Technology
30d return: -19.4%
90d return: -44.4%
252d return: -

KLACUS

KLA Corporation

Last close: $138.49
Market cap: $180.4B
Sector: Information Technology
30d return: -26.3%
90d return: -48.0%
252d return: -

252-day correlation

0.71tight

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

Semi Equipment / Litho

Want the full picture? ACLS stock page · KLAC stock page · full correlation matrix

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