MKSI vs TER: Correlation
Measured on weekly returns over the past three years, MKS Inc. (MKSI) and Teradyne (TER) carry a correlation of 0.62, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MKSI and TER?
On 3 years of weekly data the MKSI/TER correlation comes out at 0.62, strong. Recent behaviour matches the longer record: 0.54 over 1 year against 0.62 over 3. The 5-year figure is 0.65, and annualized covariance runs at 1648.9 %².
Within MKSI's tracked universe of 41 assets, TER comes in at #24 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months TER outperformed by 61.3 percentage points (+157.5% for MKSI against +218.8% for TER).
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 TER: side by side
| MKSI (MKS Inc.) | TER (Teradyne) | |
|---|---|---|
| 1-year return | +157.5% | +218.8% |
| 5-year return | +88.2% | +207.9% |
| Volatility (ann.) | 50.8% | 52.5% |
| Beta vs S&P 500 | 2.39 | 1.70 |
| Max drawdown (3Y) | -59.1% | -58.2% |
| Market cap | $18.3B | $58.2B |
| P/E (trailing) | 43.3 | 50.0 |
| Dividend yield | 0.35% | 0.14% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | MKSI | TER |
|---|---|---|
| 2022 | -51.0% | -46.3% |
| 2023 | +22.6% | +24.8% |
| 2024 | +2.2% | +16.5% |
| 2025 | +54.4% | +54.4% |
| 2026 | +70.0% | +92.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MKSI and TER good diversifiers for each other?
To a limited degree. At 0.62 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 MKSI and TER?
Using weekly returns as of 2026-08-27: 0.62 over 3 years, with 0.54 over the last year and 0.65 over 5 years.
Is TER a good diversifier for MKSI?
To a limited degree. At 0.62 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 0.62 mean?
A reading of 0.62 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/mksi-vs-ter.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/mksi-vs-ter/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MKSI correlations · TER correlations
