MKSI vs RMBS: Correlation
MKS Inc. (MKSI) and Rambus, Inc. (RMBS) show a strong relationship: their 3-year correlation of weekly returns is 0.61.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MKSI and RMBS?
Over the past 3 years, MKSI and RMBS moved with a correlation of 0.61, which is strong. Little has changed lately, as the 1-year reading of 0.53 lands near the 3-year figure. Over 5 years the correlation is 0.57, and the annualized covariance of weekly returns is 1843.4 %².
Among the 41 assets we track against MKSI, RMBS ranks #26 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months MKSI outperformed by 136.1 percentage points (+157.5% for MKSI against +21.4% for RMBS).
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 RMBS: side by side
| MKSI (MKS Inc.) | RMBS (Rambus, Inc.) | |
|---|---|---|
| 1-year return | +157.5% | +21.4% |
| 5-year return | +88.2% | +269.6% |
| Volatility (ann.) | 50.8% | 59.1% |
| Beta vs S&P 500 | 2.39 | 2.22 |
| Max drawdown (3Y) | -59.1% | -51.5% |
| Market cap | $18.3B | $9.9B |
| P/E (trailing) | 43.3 | 41.4 |
| Dividend yield | 0.35% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MKSI | RMBS |
|---|---|---|
| 2022 | -51.0% | +21.9% |
| 2023 | +22.6% | +90.5% |
| 2024 | +2.2% | -22.5% |
| 2025 | +54.4% | +73.8% |
| 2026 | +70.0% | -0.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MKSI and RMBS good diversifiers for each other?
Only partially. A correlation of 0.61 means MKSI and RMBS 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 RMBS?
Using weekly returns as of 2026-08-27: 0.61 over 3 years, with 0.53 over the last year and 0.57 over 5 years.
Is RMBS a good diversifier for MKSI?
Only partially. A correlation of 0.61 means MKSI and RMBS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.61 mean?
On the −1 to +1 scale, 0.61 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.
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Related comparisons
Hubs: MKSI correlations · RMBS correlations
