ARKK vs AUR: Correlation
How closely do ARK Innovation ETF (ARKK) and Aurora Innovation, Inc. (AUR) trade together? Their weekly returns over three years give a correlation of 0.53, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARKK and AUR?
Across a 3-year window, the weekly returns of ARKK and AUR correlate at 0.53, moderate. The relationship has been stable: the 1-year correlation (0.54) sits close to the 3-year figure. Stretching to 5 years gives 0.51, with an annualized covariance of 1689.6 %².
By 3-year correlation, AUR places #50 of the 122 assets tracked against ARKK. Correlation aside, the last 12 months split them widely, with ARKK ahead by 16.2 points (+15.7% versus -0.5%). One caveat on sizing: AUR is 2.1 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 AUR: side by side
| ARKK (ARK Innovation ETF) | AUR (Aurora Innovation, Inc.) | |
|---|---|---|
| 1-year return | +15.7% | -0.5% |
| 5-year return | -27.7% | -42.3% |
| Volatility (ann.) | 38.8% | 81.8% |
| Beta vs S&P 500 | 2.07 | 2.61 |
| Max drawdown (3Y) | -39.6% | -63.0% |
| Market cap | – | $11.4B |
| P/E (trailing) | – | – |
| Dividend yield | – | 0.00% |
| Sector / category | ETF · Thematic | US Listed |
Year-by-year returns
| Year | ARKK | AUR |
|---|---|---|
| 2022 | -67.0% | -89.3% |
| 2023 | +69.0% | +261.2% |
| 2024 | +8.4% | +44.2% |
| 2025 | +35.5% | -39.0% |
| 2026 | +13.6% | +48.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARKK and AUR good diversifiers for each other?
Somewhat, no more. With 0.53 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ARKK and AUR?
As of 2026-08-27, the correlation of weekly returns between ARKK and AUR is 0.53 over 3 years, 0.54 over 1 year and 0.51 over 5 years.
Is AUR a good diversifier for ARKK?
Somewhat, no more. With 0.53 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.53 mean?
On the −1 to +1 scale, 0.53 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.
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Related comparisons
Hubs: ARKK correlations · AUR correlations
