ARKK vs HOOD: Correlation
ARK Innovation ETF (ARKK) and Robinhood Markets (HOOD) 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 ARKK and HOOD?
Across a 3-year window, the weekly returns of ARKK and HOOD correlate at 0.76, strong. Recent behaviour matches the longer record: 0.82 over 1 year against 0.76 over 3. Stretching to 5 years gives 0.72, with an annualized covariance of 2116.4 %².
By 3-year correlation, HOOD places #12 of the 122 assets tracked against ARKK. On 12-month performance ARKK holds a 9.1-point edge, +15.7% against +6.6%. The rolling one-year correlation moved between 0.57 and 0.87 over the past three years, a moderate range. One caveat on sizing: HOOD is 1.8 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 HOOD: side by side
| ARKK (ARK Innovation ETF) | HOOD (Robinhood Markets) | |
|---|---|---|
| 1-year return | +15.7% | +6.6% |
| 5-year return | -27.7% | +151.5% |
| Volatility (ann.) | 38.8% | 71.4% |
| Beta vs S&P 500 | 2.07 | 2.88 |
| Max drawdown (3Y) | -39.6% | -57.3% |
| Market cap | – | $98.7B |
| P/E (trailing) | – | 48.1 |
| Dividend yield | – | 0.00% |
| Sector / category | ETF · Thematic | Financials |
Year-by-year returns
| Year | ARKK | HOOD |
|---|---|---|
| 2022 | -67.0% | -54.2% |
| 2023 | +69.0% | +56.5% |
| 2024 | +8.4% | +192.5% |
| 2025 | +35.5% | +203.5% |
| 2026 | +13.6% | -3.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARKK and HOOD good diversifiers for each other?
Only partially. A correlation of 0.76 means ARKK and HOOD share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between ARKK and HOOD?
The ARKK/HOOD correlation stands at 0.76 on a 3-year window (1 year: 0.82, 5 years: 0.72), computed from weekly returns as of 2026-08-27.
Is HOOD a good diversifier for ARKK?
Only partially. A correlation of 0.76 means ARKK and HOOD share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.76 mean?
A reading of 0.76 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-hood.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/arkk-vs-hood/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ARKK correlations · HOOD correlations
