Camtek Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Thursday, October 29th, 2026
1 Day
77.58%
decreased by 0.01%
1 Week
76.67%
decreased by 0.92%
1 Month
73.50%
decreased by 4.09%
Analysis last updated: Thursday, October 29, 2026 at 10:46 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 18, 2006 to Oct 26, 2026Model Insight
Volatility shocks decay with a half-life of 29 trading days, meaning a shock loses half its impact after approximately 29 days. Returns follow a Student-t distribution with v = 3.96 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
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Shock decay: Shocks decay with a 29-day half-lifev = 3.96 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωlong-run | 11.9619 | 1.43 |
| αscore | 0.0820 | 6.53*** |
| βpersistence | 0.9763 | 56.81*** |
| νDF | 3.9630 | 2.46** |
0.976
Persistence29d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω long-run Long-run variance given a price move | 11.9619 | 1.43 |
α score Weight on the scaled score | 0.0820 | 6.53*** |
β persistence Volatility persistence | 0.9763 | 56.81*** |
ν DF Student-t tail thickness | 3.9630 | 2.46** |
Persistence:
0.976
Half-life:
29 days
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