LRCX vs MACI: Correlation
How closely do Lam Research (LRCX) and Melar Acquisition Corp. I - Class A (MACI) trade together? Their weekly returns over three years give a correlation of -0.21, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LRCX and MACI?
Across a 3-year window, the weekly returns of LRCX and MACI correlate at -0.21, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.25 lands near the 3-year figure. Stretching to 5 years gives n/a, with an annualized covariance of -21.4 %².
By 3-year correlation, MACI places #29 of the 36 assets tracked against LRCX. Correlation aside, the last 12 months split them widely, with LRCX ahead by 204.6 points (+209.0% versus +4.4%). Risk is not evenly split, since LRCX carries 22.2 times the volatility of the other side.
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.
LRCX vs MACI: side by side
| LRCX (Lam Research) | MACI (Melar Acquisition Corp. I - Class A) | |
|---|---|---|
| 1-year return | +209.0% | +4.4% |
| 5-year return | +452.0% | n/a |
| Volatility (ann.) | 46.7% | 2.1% |
| Beta vs S&P 500 | 2.03 | -0.03 |
| Max drawdown (3Y) | -47.1% | -2.0% |
| Market cap | $398.6B | $0.2B |
| P/E (trailing) | 54.4 | 60.9 |
| Dividend yield | 0.33% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | LRCX | MACI |
|---|---|---|
| 2022 | -40.7% | – |
| 2023 | +88.6% | – |
| 2024 | -6.8% | – |
| 2025 | +139.2% | +5.7% |
| 2026 | +86.5% | +3.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LRCX and MACI good diversifiers for each other?
Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between LRCX and MACI?
Using weekly returns as of 2026-08-27: -0.21 over 3 years, with -0.25 over the last year and n/a over 5 years.
Is MACI a good diversifier for LRCX?
Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.21 mean?
On the −1 to +1 scale, -0.21 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/lrcx-vs-maci.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/lrcx-vs-maci/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: LRCX correlations · MACI correlations
