ARKK vs BKSY: Correlation
How closely do ARK Innovation ETF (ARKK) and BlackSky Technology Inc. (BKSY) trade together? Their weekly returns over three years give a correlation of 0.46, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARKK and BKSY?
Across a 3-year window, the weekly returns of ARKK and BKSY correlate at 0.46, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.56 versus 0.46 over 3 years. Stretching to 5 years gives 0.44, with an annualized covariance of 1603.0 %².
Among the 122 assets we track against ARKK, BKSY ranks #83 by 3-year correlation. Correlation aside, the last 12 months split them widely, with BKSY ahead by 20.6 points (+15.7% versus +36.3%). Risk is not evenly split, since BKSY carries 2.3 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.
ARKK vs BKSY: side by side
| ARKK (ARK Innovation ETF) | BKSY (BlackSky Technology Inc.) | |
|---|---|---|
| 1-year return | +15.7% | +36.3% |
| 5-year return | -27.7% | -69.1% |
| Volatility (ann.) | 38.8% | 90.5% |
| Beta vs S&P 500 | 2.07 | 2.48 |
| Max drawdown (3Y) | -39.6% | -69.1% |
| Market cap | – | $1.0B |
| P/E (trailing) | – | – |
| Dividend yield | – | 0.00% |
| Sector / category | ETF · Thematic | US Listed |
Year-by-year returns
| Year | ARKK | BKSY |
|---|---|---|
| 2022 | -67.0% | -65.7% |
| 2023 | +69.0% | -9.1% |
| 2024 | +8.4% | -3.7% |
| 2025 | +35.5% | +73.8% |
| 2026 | +13.6% | +32.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARKK and BKSY good diversifiers for each other?
Reasonably. At 0.46, ARKK and BKSY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ARKK and BKSY?
The ARKK/BKSY correlation stands at 0.46 on a 3-year window (1 year: 0.56, 5 years: 0.44), computed from weekly returns as of 2026-08-27.
Is BKSY a good diversifier for ARKK?
Reasonably. At 0.46, ARKK and BKSY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.46 mean?
A reading of 0.46 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: ARKK correlations · BKSY correlations
