Are ASML and KLAC correlated?

ASML and KLAC have a 252-day pairwise correlation of 0.81 (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 ASML and KLAC share any ETFs?

Yes - 1 ETFs hold both ASML and KLAC, including SMH.

Which bubbles or themes do ASML and KLAC share?

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

Stock comparison

ASML vs KLAC

ASML Holding N.V. and KLA Corporation - both members of Semi Equipment / Litho.

ASMLUS

ASML Holding N.V.

Last close: $1526.14
Market cap: $588.2B
Sector: Information Technology
30d return: -10.8%
90d return: -17.1%
252d return: -

KLACUS

KLA Corporation

Last close: $153.11
Market cap: $199.5B
Sector: Information Technology
30d return: -16.8%
90d return: -40.8%
252d return: -

252-day correlation

0.81tight

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

ETFs (1)

SMH

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

Data refreshes daily. Last close 2026-11-02.