EHTH vs SYNX: Correlation
How closely do eHealth, Inc. (EHTH) and Silynxcom Ltd. (SYNX) trade together? Their weekly returns over three years give a correlation of 0.35, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EHTH and SYNX?
Over the past 3 years, EHTH and SYNX moved with a correlation of 0.35, which is moderate. The past 12 months show a tighter link (0.47) than the 3-year average (0.35). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 2345.5 %².
Among the 13 assets we track against EHTH, SYNX ranks #7 by 3-year correlation. The last year tells two different stories: SYNX led by 31.7 percentage points, -70.7% for EHTH against -39.0% for SYNX.
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 SYNX: side by side
| EHTH (eHealth, Inc.) | SYNX (Silynxcom Ltd.) | |
|---|---|---|
| 1-year return | -70.7% | -39.0% |
| 5-year return | -97.0% | n/a |
| Volatility (ann.) | 70.4% | 91.1% |
| Beta vs S&P 500 | 1.11 | 1.24 |
| Max drawdown (3Y) | -89.8% | -84.7% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | EHTH | SYNX |
|---|---|---|
| 2022 | -81.0% | – |
| 2023 | +80.2% | – |
| 2024 | +7.8% | – |
| 2025 | -51.1% | -70.4% |
| 2026 | -75.2% | -5.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EHTH and SYNX good diversifiers for each other?
A fair diversifier. At 0.35, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between EHTH and SYNX?
As of 2026-08-27, the correlation of weekly returns between EHTH and SYNX is 0.35 over 3 years, 0.47 over 1 year and n/a over 5 years.
Is SYNX a good diversifier for EHTH?
A fair diversifier. At 0.35, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.35 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 · SYNX correlations