Centiel AG GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, October 22nd, 2026
1 Day
61.62%
decreased by 2.38%
1 Week
61.88%
decreased by 2.12%
1 Month
62.90%
decreased by 1.10%
Analysis last updated: Thursday, October 22, 2026 at 08:51 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 29, 2006 to Oct 16, 2026Model Insight
With persistence 0.998, volatility shocks have a half-life of 402 trading days (~1.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GJR-GARCH Model
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High persistence: persistence 0.998, shock half-life ~402 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0899 | 2.55** |
| αARCH | 0.0856 | 3.24*** |
| βGARCH | 0.8864 | 83.75*** |
| γleverage | 0.0525 | 0.95 |
0.998
Persistence402d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0899 | 2.55** |
α ARCH Response to squared shocks | 0.0856 | 3.24*** |
β GARCH Volatility persistence | 0.8864 | 83.75*** |
γ leverage Additional response to negative shocks | 0.0525 | 0.95 |
Persistence:
0.998
Half-life:
402 days
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