V-Lab
Smart Powerr Corp AGARCH Volatility Analysis
Volatility prediction for Monday, September 7th, 2026
1 Day
154.37%
decreased by 12.41%
1 Week
155.21%
decreased by 11.57%
1 Month
158.10%
decreased by 8.68%
Analysis last updated: Saturday, September 5, 2026 at 09:26 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 4, 2001 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 30 trading days, meaning a shock loses half its impact after approximately 30 days.
σ
AGARCH Model
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Shock decay: Shocks decay with a 30-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2.6981 | 4.14*** |
| αARCH | 0.1448 | 9.29*** |
| βGARCH | 0.8322 | 53.22*** |
| γleverage | -0.1603 | -0.09 |
0.977
Persistence30d
Half-lifeσ
AGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.6981 | 4.14*** |
α ARCH Response to squared shocks | 0.1448 | 9.29*** |
β GARCH Volatility persistence | 0.8322 | 53.22*** |
γ leverage Additional response to negative shocks | -0.1603 | -0.09 |
Persistence:
0.977
Half-life:
30 days
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