ARKK vs SOFI: Correlation
How closely do ARK Innovation ETF (ARKK) and SoFi Technologies, Inc. (SOFI) trade together? Their weekly returns over three years give a correlation of 0.70, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARKK and SOFI?
Across a 3-year window, the weekly returns of ARKK and SOFI correlate at 0.70, strong. Little has changed lately, as the 1-year reading of 0.74 lands near the 3-year figure. Stretching to 5 years gives 0.68, with an annualized covariance of 1526.3 %².
By 3-year correlation, SOFI places #18 of the 122 assets tracked against ARKK. The last year tells two different stories: ARKK led by 38.9 percentage points, +15.7% for ARKK against -23.2% for SOFI.
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 SOFI: side by side
| ARKK (ARK Innovation ETF) | SOFI (SoFi Technologies, Inc.) | |
|---|---|---|
| 1-year return | +15.7% | -23.2% |
| 5-year return | -27.7% | +35.2% |
| Volatility (ann.) | 38.8% | 56.2% |
| Beta vs S&P 500 | 2.07 | 2.40 |
| Max drawdown (3Y) | -39.6% | -53.0% |
| Market cap | – | $24.8B |
| P/E (trailing) | – | 38.4 |
| Dividend yield | – | 0.00% |
| Sector / category | ETF · Thematic | US Listed |
Year-by-year returns
| Year | ARKK | SOFI |
|---|---|---|
| 2022 | -67.0% | -70.8% |
| 2023 | +69.0% | +115.8% |
| 2024 | +8.4% | +54.8% |
| 2025 | +35.5% | +70.0% |
| 2026 | +13.6% | -26.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARKK and SOFI good diversifiers for each other?
Only partially. A correlation of 0.70 means ARKK and SOFI 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 SOFI?
As of 2026-08-27, the correlation of weekly returns between ARKK and SOFI is 0.70 over 3 years, 0.74 over 1 year and 0.68 over 5 years.
Is SOFI a good diversifier for ARKK?
Only partially. A correlation of 0.70 means ARKK and SOFI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.70 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/arkk-vs-sofi.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/arkk-vs-sofi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ARKK correlations · SOFI correlations
