LRCX vs SOXX: Correlation
Lam Research (LRCX) and iShares Semiconductor ETF (SOXX) show a very strong relationship: their 3-year correlation of weekly returns is 0.84.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LRCX and SOXX?
On 3 years of weekly data the LRCX/SOXX correlation comes out at 0.84, very strong, meaning they move nearly in lockstep. Recent behaviour matches the longer record: 0.77 over 1 year against 0.84 over 3. The 5-year figure is 0.87, and annualized covariance runs at 1379.9 %².
In LRCX's tracked universe of 36 assets, SOXX sits right near the top at #3. Their recent paths diverged sharply: over the last 12 months LRCX outperformed by 99.0 percentage points (+209.0% for LRCX against +110.0% for SOXX). The rolling one-year correlation stayed in a tight band between 0.73 and 0.91 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 SOXX: side by side
| LRCX (Lam Research) | SOXX (iShares Semiconductor ETF) | |
|---|---|---|
| 1-year return | +209.0% | +110.0% |
| 5-year return | +452.0% | +247.5% |
| Volatility (ann.) | 46.7% | 35.2% |
| Beta vs S&P 500 | 2.03 | 1.93 |
| Max drawdown (3Y) | -47.1% | -41.4% |
| Market cap | $398.6B | – |
| P/E (trailing) | 54.4 | – |
| Dividend yield | 0.33% | 0.29% |
| Expense ratio | – | 0.33% |
| Assets under management | – | $44.7B |
| Sector / category | Information Technology | ETF · Thematic |
On the fund side, SOXX sits in the Technology category at iShares, with $44.7B under management, 30 holdings, a 0.33% expense ratio, a 0.29% trailing dividend yield.
Year-by-year returns
| Year | LRCX | SOXX |
|---|---|---|
| 2022 | -40.7% | -35.1% |
| 2023 | +88.6% | +67.1% |
| 2024 | -6.8% | +12.9% |
| 2025 | +139.2% | +40.7% |
| 2026 | +86.5% | +74.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
Keep in mind that SOXX holds LRCX at a 4.39% weight, which makes a slice of this correlation mechanical rather than coincidental.
Are LRCX and SOXX good diversifiers for each other?
Not really. At 0.84, the two trade almost as one position, and owning both buys little extra protection.
FAQ
What is the correlation between LRCX and SOXX?
The LRCX/SOXX correlation stands at 0.84 on a 3-year window (1 year: 0.77, 5 years: 0.87), computed from weekly returns as of 2026-08-27.
Is SOXX a good diversifier for LRCX?
Not really. At 0.84, the two trade almost as one position, and owning both buys little extra protection.
What does a correlation of 0.84 mean?
On the −1 to +1 scale, 0.84 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-soxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/lrcx-vs-soxx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: LRCX correlations · SOXX correlations
