V-Lab
Wuxi Honghui New Materials Technology Co., Ltd. AGARCH Volatility Analysis
Volatility prediction for Monday, August 17th, 2026
1 Day
36.21%
decreased by 2.36%
1 Week
37.88%
decreased by 0.69%
1 Month
41.98%
increased by 3.41%
Analysis last updated: Saturday, August 15, 2026 at 07:28 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 29, 2016 to Aug 14, 2026Model Insight
The news-impact curve is shifted (γ = 0.40) 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 | 0.5809 | 23.91*** |
α ARCH Response to squared shocks | 0.1542 | 32.51*** |
β GARCH Volatility persistence | 0.7798 | 155.98*** |
γ leverage Additional response to negative shocks | 0.4001 | 5.16*** |
Persistence:
0.934
Half-life:
10 days
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