V-Lab
Giant Biogene Holding Co AGARCH Volatility Analysis
Volatility prediction for Monday, August 17th, 2026
1 Day
47.08%
increased by 0.71%
1 Week
47.59%
increased by 1.22%
1 Month
47.70%
increased by 1.33%
Analysis last updated: Saturday, August 15, 2026 at 07:55 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 4, 2022 to Aug 14, 2026Model Insight
The news-impact curve is shifted (γ = 2.69) so that negative returns raise next-day volatility more than positive returns of the same size. The gap is largest for small shocks and narrows for larger ones.
σ
AGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 8.3939 | 45.17*** |
α ARCH Response to squared shocks | 0.0336 | 4.22*** |
β GARCH Volatility persistence | 0.0109 | 11.00*** |
γ leverage Additional response to negative shocks | 2.6923 | 2.87*** |
Persistence:
0.044
Half-life:
0 days
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