KLIC vs UCTT: Correlation
Kulicke and Soffa Industries, Inc. (KLIC) and Ultra Clean Holdings, Inc. (UCTT) show a strong relationship: their 3-year correlation of weekly returns is 0.72.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KLIC and UCTT?
Over the past 3 years, KLIC and UCTT moved with a correlation of 0.72, which is strong. Recent behaviour matches the longer record: 0.72 over 1 year against 0.72 over 3. Over 5 years the correlation is 0.70, and the annualized covariance of weekly returns is 1987.5 %².
Few assets follow KLIC as closely as UCTT, which ranks #3 of 20 tracked partners. Their recent paths diverged sharply: over the last 12 months UCTT outperformed by 83.3 percentage points (+128.3% for KLIC against +211.6% for UCTT).
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
KLIC vs UCTT: side by side
| KLIC (Kulicke and Soffa Industries, Inc.) | UCTT (Ultra Clean Holdings, Inc.) | |
|---|---|---|
| 1-year return | +128.3% | +211.6% |
| 5-year return | +30.7% | +57.9% |
| Volatility (ann.) | 43.9% | 62.8% |
| Beta vs S&P 500 | 1.49 | 2.28 |
| Max drawdown (3Y) | -49.3% | -68.2% |
| Market cap | $4.4B | $3.4B |
| P/E (trailing) | 38.8 | – |
| Dividend yield | 0.97% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | KLIC | UCTT |
|---|---|---|
| 2022 | -25.8% | -42.2% |
| 2023 | +25.5% | +3.0% |
| 2024 | -13.2% | +5.3% |
| 2025 | -0.3% | -29.5% |
| 2026 | +86.8% | +195.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KLIC and UCTT good diversifiers for each other?
To a limited degree. At 0.72 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between KLIC and UCTT?
Using weekly returns as of 2026-08-27: 0.72 over 3 years, with 0.72 over the last year and 0.70 over 5 years.
Is UCTT a good diversifier for KLIC?
To a limited degree. At 0.72 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.72 mean?
A reading of 0.72 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/klic-vs-uctt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/klic-vs-uctt/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: KLIC correlations · UCTT correlations
