LITE vs MKSI: Correlation
How closely do Lumentum (LITE) and MKS Inc. (MKSI) trade together? Their weekly returns over three years give a correlation of 0.55, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LITE and MKSI?
On 3 years of weekly data the LITE/MKSI correlation comes out at 0.55, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.34 versus 0.55 over 3 years. The 5-year figure is 0.53, and annualized covariance runs at 1814.7 %².
Among the 34 assets we track against LITE, MKSI ranks #11 by 3-year correlation. Correlation aside, the last 12 months split them widely, with LITE ahead by 502.3 points (+659.8% 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.
LITE vs MKSI: side by side
| LITE (Lumentum) | MKSI (MKS Inc.) | |
|---|---|---|
| 1-year return | +659.8% | +157.5% |
| 5-year return | +998.1% | +88.2% |
| Volatility (ann.) | 65.5% | 50.8% |
| Beta vs S&P 500 | 2.36 | 2.39 |
| Max drawdown (3Y) | -50.6% | -59.1% |
| Market cap | $85.8B | $18.3B |
| P/E (trailing) | – | 43.3 |
| Dividend yield | 0.00% | 0.35% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | LITE | MKSI |
|---|---|---|
| 2022 | -50.7% | -51.0% |
| 2023 | +0.5% | +22.6% |
| 2024 | +60.1% | +2.2% |
| 2025 | +339.1% | +54.4% |
| 2026 | +159.4% | +70.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LITE and MKSI good diversifiers for each other?
To a limited degree. At 0.55 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 LITE and MKSI?
As of 2026-08-27, the correlation of weekly returns between LITE and MKSI is 0.55 over 3 years, 0.34 over 1 year and 0.53 over 5 years.
Is MKSI a good diversifier for LITE?
To a limited degree. At 0.55 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 0.55 mean?
On the −1 to +1 scale, 0.55 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/lite-vs-mksi.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/lite-vs-mksi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: LITE correlations · MKSI correlations
