LRCX vs UCTT: Correlation
How closely do Lam Research (LRCX) and Ultra Clean Holdings, Inc. (UCTT) trade together? Their weekly returns over three years give a correlation of 0.77, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LRCX and UCTT?
On 3 years of weekly data the LRCX/UCTT correlation comes out at 0.77, strong. Little has changed lately, as the 1-year reading of 0.76 lands near the 3-year figure. The 5-year figure is 0.77, and annualized covariance runs at 2257.4 %².
Among the 36 assets we track against LRCX, UCTT ranks #7 by 3-year correlation. Their 12-month results are close: +209.0% for LRCX 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.
LRCX vs UCTT: side by side
| LRCX (Lam Research) | UCTT (Ultra Clean Holdings, Inc.) | |
|---|---|---|
| 1-year return | +209.0% | +211.6% |
| 5-year return | +452.0% | +57.9% |
| Volatility (ann.) | 46.7% | 62.8% |
| Beta vs S&P 500 | 2.03 | 2.28 |
| Max drawdown (3Y) | -47.1% | -68.2% |
| Market cap | $398.6B | $3.4B |
| P/E (trailing) | 54.4 | – |
| Dividend yield | 0.33% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | LRCX | UCTT |
|---|---|---|
| 2022 | -40.7% | -42.2% |
| 2023 | +88.6% | +3.0% |
| 2024 | -6.8% | +5.3% |
| 2025 | +139.2% | -29.5% |
| 2026 | +86.5% | +195.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LRCX and UCTT good diversifiers for each other?
To a limited degree. At 0.77 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 LRCX and UCTT?
The LRCX/UCTT correlation stands at 0.77 on a 3-year window (1 year: 0.76, 5 years: 0.77), computed from weekly returns as of 2026-08-27.
Is UCTT a good diversifier for LRCX?
To a limited degree. At 0.77 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 0.77 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/lrcx-vs-uctt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/lrcx-vs-uctt/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: LRCX correlations · UCTT correlations
