MU vs SOXX: Correlation
Micron Technology (MU) and iShares Semiconductor ETF (SOXX) show a strong relationship: their 3-year correlation of weekly returns is 0.76.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MU and SOXX?
On 3 years of weekly data the MU/SOXX correlation comes out at 0.76, strong. Recent behaviour matches the longer record: 0.72 over 1 year against 0.76 over 3. The 5-year figure is 0.74, and annualized covariance runs at 1690.5 %².
Few assets follow MU as closely as SOXX, which ranks #1 of 32 tracked partners. Their recent paths diverged sharply: over the last 12 months MU outperformed by 585.7 percentage points (+695.7% for MU against +110.0% for SOXX). The rolling one-year correlation stayed in a tight band between 0.62 and 0.85 over the past three years, which points to a structural rather than episodic relationship. Risk is not evenly split, since MU carries 1.8 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.
MU vs SOXX: side by side
| MU (Micron Technology) | SOXX (iShares Semiconductor ETF) | |
|---|---|---|
| 1-year return | +695.7% | +110.0% |
| 5-year return | +1211.2% | +247.5% |
| Volatility (ann.) | 63.3% | 35.2% |
| Beta vs S&P 500 | 2.47 | 1.93 |
| Max drawdown (3Y) | -57.6% | -41.4% |
| Market cap | – | – |
| P/E (trailing) | 21.2 | – |
| Dividend yield | 0.06% | 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 | MU | SOXX |
|---|---|---|
| 2022 | -45.9% | -35.1% |
| 2023 | +71.9% | +67.1% |
| 2024 | -1.0% | +12.9% |
| 2025 | +240.2% | +40.7% |
| 2026 | +227.9% | +74.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
MU represents 8.64% of SOXX's portfolio, so part of any move in SOXX is MU itself, and the correlation between them is partly mechanical.
Are MU and SOXX good diversifiers for each other?
Somewhat, no more. With 0.76 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between MU and SOXX?
The MU/SOXX correlation stands at 0.76 on a 3-year window (1 year: 0.72, 5 years: 0.74), computed from weekly returns as of 2026-08-27.
Is SOXX a good diversifier for MU?
Somewhat, no more. With 0.76 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.76 mean?
On the −1 to +1 scale, 0.76 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/mu-vs-soxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/mu-vs-soxx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MU correlations · SOXX correlations
