V-Lab
Hongxing Coldchain Hunan Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
36.64%
increased by 3.52%
1 Week
40.41%
increased by 7.29%
1 Month
43.77%
increased by 10.65%
Analysis last updated: Saturday, September 19, 2026 at 09:00 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 13, 2026 to Sep 18, 2026Model Insight
Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 2-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2.2252 | 1.32 |
| αARCH | 0.1641 | 0.88 |
| βGARCH | 0.4114 | 2.23** |
| γleverage | 0.2981 | 0.59 |
0.725
Persistence2d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.2252 | 1.32 |
α ARCH Response to squared shocks | 0.1641 | 0.88 |
β GARCH Volatility persistence | 0.4114 | 2.23** |
γ leverage Additional response to negative shocks | 0.2981 | 0.59 |
Persistence:
0.725
Half-life:
2 days
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