LRCX vs SO: Correlation
How closely do Lam Research (LRCX) and Southern Company (SO) trade together? Their weekly returns over three years give a correlation of -0.23, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LRCX and SO?
Over the past 3 years, LRCX and SO moved with a correlation of -0.23, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.14 lands near the 3-year figure. Over 5 years the correlation is -0.07, and the annualized covariance of weekly returns is -175.8 %².
Among the 36 assets we track against LRCX, SO ranks #31 by 3-year correlation. The last year tells two different stories: LRCX led by 210.4 percentage points, +209.0% for LRCX against -1.4% for SO. This link changes with the market regime, having swung between -0.59 and 0.07 on a rolling one-year basis. Note the risk asymmetry: LRCX runs 2.8 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.
LRCX vs SO: side by side
| LRCX (Lam Research) | SO (Southern Company) | |
|---|---|---|
| 1-year return | +209.0% | -1.4% |
| 5-year return | +452.0% | +62.6% |
| Volatility (ann.) | 46.7% | 16.5% |
| Beta vs S&P 500 | 2.03 | -0.02 |
| Max drawdown (3Y) | -47.1% | -15.0% |
| Market cap | $398.6B | $102.4B |
| P/E (trailing) | 54.4 | 21.7 |
| Dividend yield | 0.33% | 3.32% |
| Sector / category | Information Technology | Utilities |
Year-by-year returns
| Year | LRCX | SO |
|---|---|---|
| 2022 | -40.7% | +8.2% |
| 2023 | +88.6% | +2.2% |
| 2024 | -6.8% | +21.7% |
| 2025 | +139.2% | +9.5% |
| 2026 | +86.5% | +4.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LRCX and SO good diversifiers for each other?
By historical standards, yes. A correlation of -0.23 means the two rarely move for the same reasons.
FAQ
What is the correlation between LRCX and SO?
As of 2026-08-27, the correlation of weekly returns between LRCX and SO is -0.23 over 3 years, -0.14 over 1 year and -0.07 over 5 years.
Is SO a good diversifier for LRCX?
By historical standards, yes. A correlation of -0.23 means the two rarely move for the same reasons.
What does a correlation of -0.23 mean?
A reading of -0.23 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/lrcx-vs-so.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/lrcx-vs-so/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: LRCX correlations · SO correlations
