ARKK vs MCHX: Correlation
How closely do ARK Innovation ETF (ARKK) and Marchex, Inc. (MCHX) trade together? Their weekly returns over three years give a correlation of 0.37, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARKK and MCHX?
On 3 years of weekly data the ARKK/MCHX correlation comes out at 0.37, moderate. The link has loosened recently: the 1-year correlation (0.23) runs below the 3-year figure (0.37). The 5-year figure is 0.33, and annualized covariance runs at 714.7 %².
By 3-year correlation, MCHX places #108 of the 122 assets tracked against ARKK. Their recent paths diverged sharply: over the last 12 months ARKK outperformed by 22.9 percentage points (+15.7% for ARKK against -7.2% for MCHX).
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 MCHX: side by side
| ARKK (ARK Innovation ETF) | MCHX (Marchex, Inc.) | |
|---|---|---|
| 1-year return | +15.7% | -7.2% |
| 5-year return | -27.7% | -45.3% |
| Volatility (ann.) | 38.8% | 50.3% |
| Beta vs S&P 500 | 2.07 | 1.07 |
| Max drawdown (3Y) | -39.6% | -40.5% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | – | 0.00% |
| Sector / category | ETF · Thematic | US Listed |
Year-by-year returns
| Year | ARKK | MCHX |
|---|---|---|
| 2022 | -67.0% | -35.5% |
| 2023 | +69.0% | -15.0% |
| 2024 | +8.4% | +28.7% |
| 2025 | +35.5% | -5.1% |
| 2026 | +13.6% | +9.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARKK and MCHX good diversifiers for each other?
A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ARKK and MCHX?
The ARKK/MCHX correlation stands at 0.37 on a 3-year window (1 year: 0.23, 5 years: 0.33), computed from weekly returns as of 2026-08-27.
Is MCHX a good diversifier for ARKK?
A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.37 mean?
On the −1 to +1 scale, 0.37 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-mchx.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/arkk-vs-mchx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ARKK correlations · MCHX correlations
