Camtek Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
69.05%
decreased by 0.31%
1 Week
67.89%
decreased by 1.47%
1 Month
65.13%
decreased by 4.23%
Analysis last updated: Tuesday, July 14, 2026 at 07:14 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 18, 2006 to Jul 10, 2026Model Insight
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 7 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1423 | 5.00*** |
α ARCH Response to squared shocks | 0.0588 | 4.34*** |
β GARCH Volatility persistence | 0.8512 | 22.18*** |
Spline Coefficients
K=10
| γ1 | 0.0691 | 0.68 |
| γ2 | -0.2588 | -1.41 |
| γ3 | 0.4527 | 2.57** |
| γ4 | -0.4957 | -2.72*** |
| γ5 | 0.3502 | 2.06** |
| γ6 | -0.1091 | -0.68 |
| γ7 | -0.0025 | -0.02 |
| γ8 | -0.0693 | -0.58 |
| γ9 | 0.1760 | 1.90* |
| γ10 | -0.1855 | -2.89*** |
Persistence:
0.910
Half-life:
7 days
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