COCH vs QQQ: Correlation
How closely do Envoy Medical, Inc. (COCH) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.05, which is near-zero.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COCH and QQQ?
Over the past 3 years, COCH and QQQ moved with a correlation of 0.05, which is near zero, meaning they move largely independently. The link has tightened recently: the 1-year correlation (0.17) runs above the 3-year figure (0.05). Over 5 years the correlation is 0.03, and the annualized covariance of weekly returns is 226.2 %².
Out of 10 assets tracked against COCH, QQQ lands near the bottom at #6. The last year tells two different stories: QQQ led by 63.8 percentage points, -37.5% for COCH against +26.3% for QQQ. One caveat on sizing: COCH is 13.1 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.
COCH vs QQQ: side by side
| COCH (Envoy Medical, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -37.5% | +26.3% |
| 5-year return | -92.4% | +95.4% |
| Volatility (ann.) | 256.3% | 19.6% |
| Beta vs S&P 500 | 0.52 | 1.28 |
| Max drawdown (3Y) | -96.3% | -22.8% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | US Listed | ETF · US Growth & Tech |
QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | COCH | QQQ |
|---|---|---|
| 2022 | +2.9% | -32.6% |
| 2023 | -81.9% | +54.9% |
| 2024 | -21.0% | +25.6% |
| 2025 | -53.8% | +20.8% |
| 2026 | +10.6% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COCH and QQQ good diversifiers for each other?
Yes. With a correlation of 0.05, COCH and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between COCH and QQQ?
The COCH/QQQ correlation stands at 0.05 on a 3-year window (1 year: 0.17, 5 years: 0.03), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for COCH?
Yes. With a correlation of 0.05, COCH and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.05 mean?
On the −1 to +1 scale, 0.05 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
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Related comparisons
Hubs: COCH correlations · QQQ correlations
