COCH vs ROOT: Correlation
Envoy Medical, Inc. (COCH) and Root, Inc. (ROOT) show a moderate relationship: their 3-year correlation of weekly returns is 0.56.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COCH and ROOT?
Across a 3-year window, the weekly returns of COCH and ROOT correlate at 0.56, moderate. The past 12 months show a weaker link (0.16) than the 3-year average (0.56). Stretching to 5 years gives 0.47, with an annualized covariance of 18472.2 %².
Among the 10 assets we track against COCH, ROOT ranks #5 by 3-year correlation. Neither side won the trailing year by much: -37.5% against -38.1%. Note the risk asymmetry: COCH runs 2.0 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
COCH vs ROOT: side by side
| COCH (Envoy Medical, Inc.) | ROOT (Root, Inc.) | |
|---|---|---|
| 1-year return | -37.5% | -38.1% |
| 5-year return | -92.4% | -52.1% |
| Volatility (ann.) | 256.3% | 127.9% |
| Beta vs S&P 500 | 0.52 | 1.45 |
| Max drawdown (3Y) | -96.3% | -75.7% |
| Market cap | $0.1B | $0.9B |
| P/E (trailing) | – | 16.3 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | COCH | ROOT |
|---|---|---|
| 2022 | +2.9% | -92.0% |
| 2023 | -81.9% | +133.4% |
| 2024 | -21.0% | +592.7% |
| 2025 | -53.8% | -0.5% |
| 2026 | +10.6% | -23.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COCH and ROOT good diversifiers for each other?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between COCH and ROOT?
Using weekly returns as of 2026-08-27: 0.56 over 3 years, with 0.16 over the last year and 0.47 over 5 years.
Is ROOT a good diversifier for COCH?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.56 mean?
A reading of 0.56 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/coch-vs-root.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/coch-vs-root/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: COCH correlations · ROOT correlations
