ACMR vs SMH: Correlation
How closely do ACM Research, Inc. (ACMR) and VanEck Semiconductor ETF (SMH) trade together? Their weekly returns over three years give a correlation of 0.55, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACMR and SMH?
On 3 years of weekly data the ACMR/SMH correlation comes out at 0.55, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.75 versus 0.55 over 3 years. The 5-year figure is 0.55, and annualized covariance runs at 1495.1 %².
Among the 13 assets we track against ACMR, SMH ranks #4 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months ACMR outperformed by 88.5 percentage points (+181.6% for ACMR against +93.1% for SMH). Risk is not evenly split, since ACMR carries 2.4 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.
ACMR vs SMH: side by side
| ACMR (ACM Research, Inc.) | SMH (VanEck Semiconductor ETF) | |
|---|---|---|
| 1-year return | +181.6% | +93.1% |
| 5-year return | +173.8% | +332.8% |
| Volatility (ann.) | 80.8% | 33.7% |
| Beta vs S&P 500 | 2.07 | 1.91 |
| Max drawdown (3Y) | -58.4% | -35.7% |
| Market cap | $5.6B | – |
| P/E (trailing) | 37.3 | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | ETF · Thematic |
Year-by-year returns
| Year | ACMR | SMH |
|---|---|---|
| 2022 | -72.9% | -33.5% |
| 2023 | +153.4% | +73.4% |
| 2024 | -22.7% | +39.1% |
| 2025 | +161.3% | +49.2% |
| 2026 | +104.0% | +59.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACMR and SMH good diversifiers for each other?
Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ACMR and SMH?
The ACMR/SMH correlation stands at 0.55 on a 3-year window (1 year: 0.75, 5 years: 0.55), computed from weekly returns as of 2026-08-27.
Is SMH a good diversifier for ACMR?
Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.55 mean?
On the −1 to +1 scale, 0.55 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-smh.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/acmr-vs-smh/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ACMR correlations · SMH correlations
