LRCX vs MU: Correlation
How closely do Lam Research (LRCX) and Micron Technology (MU) trade together? Their weekly returns over three years give a correlation of 0.72, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LRCX and MU?
On 3 years of weekly data the LRCX/MU correlation comes out at 0.72, strong. Little has changed lately, as the 1-year reading of 0.70 lands near the 3-year figure. The 5-year figure is 0.70, and annualized covariance runs at 2139.5 %².
By 3-year correlation, MU places #11 of the 36 assets tracked against LRCX. Their recent paths diverged sharply: over the last 12 months MU outperformed by 486.7 percentage points (+209.0% for LRCX against +695.7% for MU). The rolling one-year correlation stayed in a tight band between 0.56 and 0.80 over the past three years, which points to a structural rather than episodic relationship.
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 MU: side by side
| LRCX (Lam Research) | MU (Micron Technology) | |
|---|---|---|
| 1-year return | +209.0% | +695.7% |
| 5-year return | +452.0% | +1211.2% |
| Volatility (ann.) | 46.7% | 63.3% |
| Beta vs S&P 500 | 2.03 | 2.47 |
| Max drawdown (3Y) | -47.1% | -57.6% |
| Market cap | $398.6B | – |
| P/E (trailing) | 54.4 | 21.2 |
| Dividend yield | 0.33% | 0.06% |
| Sector / category | Information Technology | Information Technology |
Year-by-year returns
| Year | LRCX | MU |
|---|---|---|
| 2022 | -40.7% | -45.9% |
| 2023 | +88.6% | +71.9% |
| 2024 | -6.8% | -1.0% |
| 2025 | +139.2% | +240.2% |
| 2026 | +86.5% | +227.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LRCX and MU good diversifiers for each other?
To a limited degree. At 0.72 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 LRCX and MU?
As of 2026-08-27, the correlation of weekly returns between LRCX and MU is 0.72 over 3 years, 0.70 over 1 year and 0.70 over 5 years.
Is MU a good diversifier for LRCX?
To a limited degree. At 0.72 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 0.72 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/lrcx-vs-mu.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/lrcx-vs-mu/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: LRCX correlations · MU correlations
