KLAC vs MACI: Correlation
How closely do KLA Corporation (KLAC) and Melar Acquisition Corp. I - Class A (MACI) trade together? Their weekly returns over three years give a correlation of -0.22, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KLAC and MACI?
Over the past 3 years, KLAC and MACI moved with a correlation of -0.22, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.27 lands near the 3-year figure. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -22.0 %².
MACI is close to the least connected end of KLAC's tracked universe, ranking #37 of 40. Their recent paths diverged sharply: over the last 12 months KLAC outperformed by 103.5 percentage points (+107.9% for KLAC against +4.4% for MACI). Note the risk asymmetry: KLAC runs 21.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 MACI: side by side
| KLAC (KLA Corporation) | MACI (Melar Acquisition Corp. I - Class A) | |
|---|---|---|
| 1-year return | +107.9% | +4.4% |
| 5-year return | +463.9% | n/a |
| Volatility (ann.) | 45.6% | 2.1% |
| Beta vs S&P 500 | 1.84 | -0.03 |
| Max drawdown (3Y) | -43.6% | -2.0% |
| Market cap | $240.1B | $0.2B |
| P/E (trailing) | 50.2 | 60.9 |
| Dividend yield | 0.44% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | KLAC | MACI |
|---|---|---|
| 2022 | -11.2% | – |
| 2023 | +56.0% | – |
| 2024 | +9.4% | – |
| 2025 | +94.5% | +5.7% |
| 2026 | +51.8% | +3.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KLAC and MACI good diversifiers for each other?
By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.
FAQ
What is the correlation between KLAC and MACI?
The KLAC/MACI correlation stands at -0.22 on a 3-year window (1 year: -0.27, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is MACI a good diversifier for KLAC?
By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.
What does a correlation of -0.22 mean?
On the −1 to +1 scale, -0.22 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/klac-vs-maci.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/klac-vs-maci/)
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Hubs: KLAC correlations · MACI correlations
