LRCX vs MKSI: Correlation
Lam Research (LRCX) and MKS Inc. (MKSI) show a very strong relationship: their 3-year correlation of weekly returns is 0.83.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LRCX and MKSI?
On 3 years of weekly data the LRCX/MKSI correlation comes out at 0.83, very strong, meaning they move nearly in lockstep. The relationship has been stable: the 1-year correlation (0.86) sits close to the 3-year figure. The 5-year figure is 0.80, and annualized covariance runs at 1973.8 %².
Among the 36 assets we track against LRCX, MKSI ranks #4 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months LRCX outperformed by 51.5 percentage points (+209.0% for LRCX against +157.5% for MKSI).
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 MKSI: side by side
| LRCX (Lam Research) | MKSI (MKS Inc.) | |
|---|---|---|
| 1-year return | +209.0% | +157.5% |
| 5-year return | +452.0% | +88.2% |
| Volatility (ann.) | 46.7% | 50.8% |
| Beta vs S&P 500 | 2.03 | 2.39 |
| Max drawdown (3Y) | -47.1% | -59.1% |
| Market cap | $398.6B | $18.3B |
| P/E (trailing) | 54.4 | 43.3 |
| Dividend yield | 0.33% | 0.35% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | LRCX | MKSI |
|---|---|---|
| 2022 | -40.7% | -51.0% |
| 2023 | +88.6% | +22.6% |
| 2024 | -6.8% | +2.2% |
| 2025 | +139.2% | +54.4% |
| 2026 | +86.5% | +70.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LRCX and MKSI good diversifiers for each other?
Not really. At 0.83, the two trade almost as one position, and owning both buys little extra protection.
FAQ
What is the correlation between LRCX and MKSI?
As of 2026-08-27, the correlation of weekly returns between LRCX and MKSI is 0.83 over 3 years, 0.86 over 1 year and 0.80 over 5 years.
Is MKSI a good diversifier for LRCX?
Not really. At 0.83, the two trade almost as one position, and owning both buys little extra protection.
What does a correlation of 0.83 mean?
On the −1 to +1 scale, 0.83 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/lrcx-vs-mksi.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/lrcx-vs-mksi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: LRCX correlations · MKSI correlations
