KLAC vs RMBS: Correlation
How closely do KLA Corporation (KLAC) and Rambus, Inc. (RMBS) trade together? Their weekly returns over three years give a correlation of 0.65, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KLAC and RMBS?
On 3 years of weekly data the KLAC/RMBS correlation comes out at 0.65, strong. Recent behaviour matches the longer record: 0.61 over 1 year against 0.65 over 3. The 5-year figure is 0.64, and annualized covariance runs at 1764.5 %².
Within KLAC's tracked universe of 40 assets, RMBS comes in at #21 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months KLAC outperformed by 86.5 percentage points (+107.9% for KLAC 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.
KLAC vs RMBS: side by side
| KLAC (KLA Corporation) | RMBS (Rambus, Inc.) | |
|---|---|---|
| 1-year return | +107.9% | +21.4% |
| 5-year return | +463.9% | +269.6% |
| Volatility (ann.) | 45.6% | 59.1% |
| Beta vs S&P 500 | 1.84 | 2.22 |
| Max drawdown (3Y) | -43.6% | -51.5% |
| Market cap | $240.1B | $9.9B |
| P/E (trailing) | 50.2 | 41.4 |
| Dividend yield | 0.44% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | KLAC | RMBS |
|---|---|---|
| 2022 | -11.2% | +21.9% |
| 2023 | +56.0% | +90.5% |
| 2024 | +9.4% | -22.5% |
| 2025 | +94.5% | +73.8% |
| 2026 | +51.8% | -0.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KLAC and RMBS good diversifiers for each other?
To a limited degree. At 0.65 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 KLAC and RMBS?
As of 2026-08-27, the correlation of weekly returns between KLAC and RMBS is 0.65 over 3 years, 0.61 over 1 year and 0.64 over 5 years.
Is RMBS a good diversifier for KLAC?
To a limited degree. At 0.65 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 0.65 mean?
A reading of 0.65 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: KLAC correlations · RMBS correlations
