GNE vs STAA: Correlation
How closely do Genie Energy Ltd. (GNE) and STAAR Surgical Company (STAA) trade together? Their weekly returns over three years give a correlation of -0.19, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GNE and STAA?
Across a 3-year window, the weekly returns of GNE and STAA correlate at -0.19, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.07) runs above the 3-year figure (-0.19). Stretching to 5 years gives -0.10, with an annualized covariance of -435.4 %².
Out of 10 assets tracked against GNE, STAA lands near the bottom at #8. The last year tells two different stories: GNE led by 19.3 percentage points, +0.7% for GNE against -18.6% for STAA. Risk is not evenly split, since STAA carries 1.7 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.
GNE vs STAA: side by side
| GNE (Genie Energy Ltd.) | STAA (STAAR Surgical Company) | |
|---|---|---|
| 1-year return | +0.7% | -18.6% |
| 5-year return | +155.5% | -85.0% |
| Volatility (ann.) | 37.4% | 61.9% |
| Beta vs S&P 500 | 0.18 | 0.90 |
| Max drawdown (3Y) | -55.5% | -71.1% |
| Market cap | $0.4B | $1.1B |
| P/E (trailing) | 13.4 | 279.9 |
| Dividend yield | 2.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GNE | STAA |
|---|---|---|
| 2022 | +95.3% | -46.8% |
| 2023 | +177.3% | -35.7% |
| 2024 | -43.6% | -22.2% |
| 2025 | -9.9% | -4.9% |
| 2026 | +9.9% | -3.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GNE and STAA good diversifiers for each other?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
FAQ
What is the correlation between GNE and STAA?
As of 2026-08-27, the correlation of weekly returns between GNE and STAA is -0.19 over 3 years, -0.07 over 1 year and -0.10 over 5 years.
Is STAA a good diversifier for GNE?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
What does a correlation of -0.19 mean?
On the −1 to +1 scale, -0.19 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.
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Related comparisons
Hubs: GNE correlations · STAA correlations
