ARKK vs DUK: Correlation
ARK Innovation ETF (ARKK) and Duke Energy (DUK) show a negative relationship: their 3-year correlation of weekly returns is -0.15.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARKK and DUK?
Over the past 3 years, ARKK and DUK moved with a correlation of -0.15, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.24 lands near the 3-year figure. Over 5 years the correlation is 0.01, and the annualized covariance of weekly returns is -92.1 %².
Within ARKK's tracked universe of 122 assets, DUK comes in at #117 by 3-year correlation. Over the last 12 months ARKK came out ahead by 14.6 percentage points (+15.7% against +1.1%). This link changes with the market regime, having swung between -0.35 and 0.34 on a rolling one-year basis. Risk is not evenly split, since ARKK carries 2.4 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 DUK: side by side
| ARKK (ARK Innovation ETF) | DUK (Duke Energy) | |
|---|---|---|
| 1-year return | +15.7% | +1.1% |
| 5-year return | -27.7% | +39.8% |
| Volatility (ann.) | 38.8% | 15.9% |
| Beta vs S&P 500 | 2.07 | -0.09 |
| Max drawdown (3Y) | -39.6% | -11.6% |
| Market cap | – | $94.2B |
| P/E (trailing) | – | 18.3 |
| Dividend yield | – | 3.49% |
| Sector / category | ETF · Thematic | Utilities |
Year-by-year returns
| Year | ARKK | DUK |
|---|---|---|
| 2022 | -67.0% | +2.0% |
| 2023 | +69.0% | -1.6% |
| 2024 | +8.4% | +15.6% |
| 2025 | +35.5% | +12.7% |
| 2026 | +13.6% | +5.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARKK and DUK good diversifiers for each other?
Yes. With a correlation of -0.15, ARKK and DUK have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between ARKK and DUK?
As of 2026-08-27, the correlation of weekly returns between ARKK and DUK is -0.15 over 3 years, -0.24 over 1 year and 0.01 over 5 years.
Is DUK a good diversifier for ARKK?
Yes. With a correlation of -0.15, ARKK and DUK have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.15 mean?
A reading of -0.15 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-duk.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/arkk-vs-duk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ARKK correlations · DUK correlations
