ARKK vs DH: Correlation
How closely do ARK Innovation ETF (ARKK) and Definitive Healthcare Corp. (DH) trade together? Their weekly returns over three years give a correlation of 0.49, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARKK and DH?
Across a 3-year window, the weekly returns of ARKK and DH correlate at 0.49, moderate. The link has loosened recently: the 1-year correlation (0.36) runs below the 3-year figure (0.49). Stretching to 5 years gives 0.54, with an annualized covariance of 1238.8 %².
Within ARKK's tracked universe of 122 assets, DH comes in at #68 by 3-year correlation. Correlation aside, the last 12 months split them widely, with ARKK ahead by 95.5 points (+15.7% versus -79.8%). One caveat on sizing: DH is 1.7 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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 DH: side by side
| ARKK (ARK Innovation ETF) | DH (Definitive Healthcare Corp.) | |
|---|---|---|
| 1-year return | +15.7% | -79.8% |
| 5-year return | -27.7% | -98.1% |
| Volatility (ann.) | 38.8% | 65.1% |
| Beta vs S&P 500 | 2.07 | 1.74 |
| Max drawdown (3Y) | -39.6% | -93.9% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | – | 0.00% |
| Sector / category | ETF · Thematic | US Listed |
Year-by-year returns
| Year | ARKK | DH |
|---|---|---|
| 2022 | -67.0% | -59.8% |
| 2023 | +69.0% | -9.6% |
| 2024 | +8.4% | -58.7% |
| 2025 | +35.5% | -30.2% |
| 2026 | +13.6% | -71.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARKK and DH good diversifiers for each other?
Reasonably. At 0.49, ARKK and DH keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ARKK and DH?
As of 2026-08-27, the correlation of weekly returns between ARKK and DH is 0.49 over 3 years, 0.36 over 1 year and 0.54 over 5 years.
Is DH a good diversifier for ARKK?
Reasonably. At 0.49, ARKK and DH keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.49 mean?
A reading of 0.49 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/arkk-vs-dh.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/arkk-vs-dh/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ARKK correlations · DH correlations
