ACMR vs SOXX: Correlation
Measured on weekly returns over the past three years, ACM Research, Inc. (ACMR) and iShares Semiconductor ETF (SOXX) carry a correlation of 0.58, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACMR and SOXX?
Across a 3-year window, the weekly returns of ACMR and SOXX correlate at 0.58, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.75 versus 0.58 over 3 years. Stretching to 5 years gives 0.57, with an annualized covariance of 1653.8 %².
Few assets follow ACMR as closely as SOXX, which ranks #2 of 13 tracked partners. Correlation aside, the last 12 months split them widely, with ACMR ahead by 71.6 points (+181.6% versus +110.0%). Note the risk asymmetry: ACMR runs 2.3 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.
ACMR vs SOXX: side by side
| ACMR (ACM Research, Inc.) | SOXX (iShares Semiconductor ETF) | |
|---|---|---|
| 1-year return | +181.6% | +110.0% |
| 5-year return | +173.8% | +247.5% |
| Volatility (ann.) | 80.8% | 35.2% |
| Beta vs S&P 500 | 2.07 | 1.93 |
| Max drawdown (3Y) | -58.4% | -41.4% |
| Market cap | $5.6B | – |
| P/E (trailing) | 37.3 | – |
| Dividend yield | 0.00% | 0.29% |
| Expense ratio | – | 0.33% |
| Assets under management | – | $44.7B |
| Sector / category | US Listed | 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 | ACMR | SOXX |
|---|---|---|
| 2022 | -72.9% | -35.1% |
| 2023 | +153.4% | +67.1% |
| 2024 | -22.7% | +12.9% |
| 2025 | +161.3% | +40.7% |
| 2026 | +104.0% | +74.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACMR and SOXX good diversifiers for each other?
Somewhat, no more. With 0.58 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ACMR and SOXX?
As of 2026-08-27, the correlation of weekly returns between ACMR and SOXX is 0.58 over 3 years, 0.75 over 1 year and 0.57 over 5 years.
Is SOXX a good diversifier for ACMR?
Somewhat, no more. With 0.58 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.58 mean?
On the −1 to +1 scale, 0.58 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/acmr-vs-soxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/acmr-vs-soxx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ACMR correlations · SOXX correlations
