ARKK vs SOXX: Correlation
ARK Innovation ETF (ARKK) and iShares Semiconductor ETF (SOXX) show a strong relationship: their 3-year correlation of weekly returns is 0.63.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARKK and SOXX?
Across a 3-year window, the weekly returns of ARKK and SOXX correlate at 0.63, strong. Lately the two have drifted apart, with the 1-year correlation at 0.52 versus 0.63 over 3 years. Stretching to 5 years gives 0.66, with an annualized covariance of 866.2 %².
By 3-year correlation, SOXX places #29 of the 122 assets tracked against ARKK. Their recent paths diverged sharply: over the last 12 months SOXX outperformed by 94.3 percentage points (+15.7% for ARKK against +110.0% for SOXX). Across three years, the rolling one-year figure varied moderately, from 0.53 to 0.82.
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.
ARKK vs SOXX: side by side
| ARKK (ARK Innovation ETF) | SOXX (iShares Semiconductor ETF) | |
|---|---|---|
| 1-year return | +15.7% | +110.0% |
| 5-year return | -27.7% | +247.5% |
| Volatility (ann.) | 38.8% | 35.2% |
| Beta vs S&P 500 | 2.07 | 1.93 |
| Max drawdown (3Y) | -39.6% | -41.4% |
| Dividend yield | – | 0.29% |
| Expense ratio | – | 0.33% |
| Assets under management | – | $44.7B |
| Sector / category | ETF · Thematic | 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 | ARKK | SOXX |
|---|---|---|
| 2022 | -67.0% | -35.1% |
| 2023 | +69.0% | +67.1% |
| 2024 | +8.4% | +12.9% |
| 2025 | +35.5% | +40.7% |
| 2026 | +13.6% | +74.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARKK and SOXX good diversifiers for each other?
To a limited degree. At 0.63 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between ARKK and SOXX?
As of 2026-08-27, the correlation of weekly returns between ARKK and SOXX is 0.63 over 3 years, 0.52 over 1 year and 0.66 over 5 years.
Is SOXX a good diversifier for ARKK?
To a limited degree. At 0.63 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.63 mean?
On the −1 to +1 scale, 0.63 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/arkk-vs-soxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/arkk-vs-soxx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ARKK correlations · SOXX correlations
