ARKK vs INMB: Correlation
How closely do ARK Innovation ETF (ARKK) and INmune Bio Inc. (INMB) trade together? Their weekly returns over three years give a correlation of 0.34, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARKK and INMB?
Across a 3-year window, the weekly returns of ARKK and INMB correlate at 0.34, moderate. The link has tightened recently: the 1-year correlation (0.58) runs above the 3-year figure (0.34). Stretching to 5 years gives 0.38, with an annualized covariance of 997.2 %².
By 3-year correlation, INMB places #110 of the 122 assets tracked against ARKK. Twelve-month performance is nearly a tie, at +15.7% for ARKK and +17.4% for INMB. One caveat on sizing: INMB is 2.0 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 INMB: side by side
| ARKK (ARK Innovation ETF) | INMB (INmune Bio Inc.) | |
|---|---|---|
| 1-year return | +15.7% | +17.4% |
| 5-year return | -27.7% | -89.4% |
| Volatility (ann.) | 38.8% | 76.1% |
| Beta vs S&P 500 | 2.07 | 1.33 |
| Max drawdown (3Y) | -39.6% | -92.0% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | – | 0.00% |
| Sector / category | ETF · Thematic | US Listed |
Year-by-year returns
| Year | ARKK | INMB |
|---|---|---|
| 2022 | -67.0% | -37.8% |
| 2023 | +69.0% | +77.6% |
| 2024 | +8.4% | -58.5% |
| 2025 | +35.5% | -66.6% |
| 2026 | +13.6% | +53.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARKK and INMB good diversifiers for each other?
A fair diversifier. At 0.34, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ARKK and INMB?
Using weekly returns as of 2026-08-27: 0.34 over 3 years, with 0.58 over the last year and 0.38 over 5 years.
Is INMB a good diversifier for ARKK?
A fair diversifier. At 0.34, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.34 mean?
On the −1 to +1 scale, 0.34 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/arkk-vs-inmb.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/arkk-vs-inmb/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ARKK correlations · INMB correlations
