MKSI vs SITM: Correlation
How closely do MKS Inc. (MKSI) and SiTime Corporation (SITM) trade together? Their weekly returns over three years give a correlation of 0.66, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MKSI and SITM?
Over the past 3 years, MKSI and SITM moved with a correlation of 0.66, which is strong. The relationship has been stable: the 1-year correlation (0.60) sits close to the 3-year figure. Over 5 years the correlation is 0.64, and the annualized covariance of weekly returns is 2595.1 %².
Within MKSI's tracked universe of 41 assets, SITM comes in at #19 by 3-year correlation. The trailing year gives MKSI the advantage: +157.5% versus +151.3%, a 6.2-point spread. One caveat on sizing: SITM is 1.5 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
MKSI vs SITM: side by side
| MKSI (MKS Inc.) | SITM (SiTime Corporation) | |
|---|---|---|
| 1-year return | +157.5% | +151.3% |
| 5-year return | +88.2% | +183.2% |
| Volatility (ann.) | 50.8% | 77.7% |
| Beta vs S&P 500 | 2.39 | 2.97 |
| Max drawdown (3Y) | -59.1% | -55.3% |
| Market cap | $18.3B | $18.0B |
| P/E (trailing) | 43.3 | 999.8 |
| Dividend yield | 0.35% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MKSI | SITM |
|---|---|---|
| 2022 | -51.0% | -65.3% |
| 2023 | +22.6% | +20.1% |
| 2024 | +2.2% | +75.7% |
| 2025 | +54.4% | +64.6% |
| 2026 | +70.0% | +69.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MKSI and SITM good diversifiers for each other?
Only partially. A correlation of 0.66 means MKSI and SITM 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 MKSI and SITM?
Using weekly returns as of 2026-08-27: 0.66 over 3 years, with 0.60 over the last year and 0.64 over 5 years.
Is SITM a good diversifier for MKSI?
Only partially. A correlation of 0.66 means MKSI and SITM share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.66 mean?
On the −1 to +1 scale, 0.66 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/mksi-vs-sitm.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mksi-vs-sitm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MKSI correlations · SITM correlations
