COCH vs VKTX: Correlation
Envoy Medical, Inc. (COCH) and Viking Therapeutics, Inc. (VKTX) show a strong relationship: their 3-year correlation of weekly returns is 0.66.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COCH and VKTX?
Across a 3-year window, the weekly returns of COCH and VKTX correlate at 0.66, strong. The link has loosened recently: the 1-year correlation (0.25) runs below the 3-year figure (0.66). Stretching to 5 years gives 0.48, with an annualized covariance of 17713.4 %².
By 3-year correlation, VKTX places #4 of the 10 assets tracked against COCH. Their recent paths diverged sharply: over the last 12 months VKTX outperformed by 64.7 percentage points (-37.5% for COCH against +27.2% for VKTX). Risk is not evenly split, since COCH 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.
COCH vs VKTX: side by side
| COCH (Envoy Medical, Inc.) | VKTX (Viking Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -37.5% | +27.2% |
| 5-year return | -92.4% | +417.7% |
| Volatility (ann.) | 256.3% | 105.3% |
| Beta vs S&P 500 | 0.52 | 1.66 |
| Max drawdown (3Y) | -96.3% | -78.9% |
| Market cap | $0.1B | $3.9B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | COCH | VKTX |
|---|---|---|
| 2022 | +2.9% | +104.3% |
| 2023 | -81.9% | +98.0% |
| 2024 | -21.0% | +116.2% |
| 2025 | -53.8% | -12.6% |
| 2026 | +10.6% | -3.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COCH and VKTX good diversifiers for each other?
Only partially. A correlation of 0.66 means COCH and VKTX 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 COCH and VKTX?
The COCH/VKTX correlation stands at 0.66 on a 3-year window (1 year: 0.25, 5 years: 0.48), computed from weekly returns as of 2026-08-27.
Is VKTX a good diversifier for COCH?
Only partially. A correlation of 0.66 means COCH and VKTX share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.66 mean?
On the −1 to +1 scale, 0.66 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/coch-vs-vktx.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/coch-vs-vktx/)
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Related comparisons
Hubs: COCH correlations · VKTX correlations
