ICHR vs MKSI: Correlation
Measured on weekly returns over the past three years, Ichor Holdings (ICHR) and MKS Inc. (MKSI) carry a correlation of 0.68, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ICHR and MKSI?
Across a 3-year window, the weekly returns of ICHR and MKSI correlate at 0.68, strong. Little has changed lately, as the 1-year reading of 0.67 lands near the 3-year figure. Stretching to 5 years gives 0.69, with an annualized covariance of 2593.9 %².
MKSI is one of the assets that tracks ICHR most closely: it ranks #3 out of the 12 assets we track against ICHR. Correlation aside, the last 12 months split them widely, with ICHR ahead by 82.3 points (+239.8% versus +157.5%).
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.
ICHR vs MKSI: side by side
| ICHR (Ichor Holdings) | MKSI (MKS Inc.) | |
|---|---|---|
| 1-year return | +239.8% | +157.5% |
| 5-year return | +32.8% | +88.2% |
| Volatility (ann.) | 75.0% | 50.8% |
| Beta vs S&P 500 | 2.32 | 2.39 |
| Max drawdown (3Y) | -69.1% | -59.1% |
| Market cap | $2.2B | $18.3B |
| P/E (trailing) | – | 43.3 |
| Dividend yield | 0.00% | 0.35% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ICHR | MKSI |
|---|---|---|
| 2022 | -41.7% | -51.0% |
| 2023 | +25.4% | +22.6% |
| 2024 | -4.2% | +2.2% |
| 2025 | -42.8% | +54.4% |
| 2026 | +220.6% | +70.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ICHR and MKSI good diversifiers for each other?
Only partially. A correlation of 0.68 means ICHR and MKSI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between ICHR and MKSI?
As of 2026-08-27, the correlation of weekly returns between ICHR and MKSI is 0.68 over 3 years, 0.67 over 1 year and 0.69 over 5 years.
Is MKSI a good diversifier for ICHR?
Only partially. A correlation of 0.68 means ICHR and MKSI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.68 mean?
On the −1 to +1 scale, 0.68 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/ichr-vs-mksi.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ichr-vs-mksi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ICHR correlations · MKSI correlations
