Centiel AG AGARCH Volatility Analysis
Volatility prediction for Thursday, October 8th, 2026
1 Day
59.97%
decreased by 3.27%
1 Week
60.17%
decreased by 3.07%
1 Month
60.92%
decreased by 2.32%
Analysis last updated: Thursday, October 8, 2026 at 09:13 PM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 29, 2006 to Oct 2, 2026Model Insight
With persistence 0.997, volatility shocks have a half-life of 200 trading days (~0.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: negative returns raise volatility more
σ
AGARCH Model
Tap to view equation
High persistence: persistence 0.997, shock half-life ~200 daysAsymmetry: negative returns raise volatility more
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0751 | 2.02** |
| αARCH | 0.1119 | 9.04*** |
| βGARCH | 0.8846 | 87.32*** |
| γleverage | 0.4345 | 2.16** |
0.997
Persistence200d
Half-lifeσ
AGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0751 | 2.02** |
α ARCH Response to squared shocks | 0.1119 | 9.04*** |
β GARCH Volatility persistence | 0.8846 | 87.32*** |
γ leverage Additional response to negative shocks | 0.4345 | 2.16** |
Persistence:
0.997
Half-life:
200 days
Other AGARCH Analyses on International Equities