EHTH vs QQQ: Correlation
Measured on weekly returns over the past three years, eHealth, Inc. (EHTH) and Invesco QQQ Trust (QQQ) carry a correlation of 0.21, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EHTH and QQQ?
Over the past 3 years, EHTH and QQQ moved with a correlation of 0.21, which is weak. Lately the two have moved closer together, with the 1-year correlation at 0.36 versus 0.21 over 3 years. Over 5 years the correlation is 0.28, and the annualized covariance of weekly returns is 283.5 %².
QQQ is close to the least connected end of EHTH's tracked universe, ranking #10 of 13. The last year tells two different stories: QQQ led by 97.0 percentage points, -70.7% for EHTH against +26.3% for QQQ. Note the risk asymmetry: EHTH runs 3.6 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.
EHTH vs QQQ: side by side
| EHTH (eHealth, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -70.7% | +26.3% |
| 5-year return | -97.0% | +95.4% |
| Volatility (ann.) | 70.4% | 19.6% |
| Beta vs S&P 500 | 1.11 | 1.28 |
| Max drawdown (3Y) | -89.8% | -22.8% |
| Market cap | – | – |
| 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 | EHTH | QQQ |
|---|---|---|
| 2022 | -81.0% | -32.6% |
| 2023 | +80.2% | +54.9% |
| 2024 | +7.8% | +25.6% |
| 2025 | -51.1% | +20.8% |
| 2026 | -75.2% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EHTH and QQQ good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.21 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between EHTH and QQQ?
As of 2026-08-27, the correlation of weekly returns between EHTH and QQQ is 0.21 over 3 years, 0.36 over 1 year and 0.28 over 5 years.
Is QQQ a good diversifier for EHTH?
Yes, to a useful degree: a correlation of 0.21 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.21 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
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Related comparisons
Hubs: EHTH correlations · QQQ correlations
