V-Lab
Shanxi Xinghuacun Fen Wine Factory Co Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
36.91%
increased by 0.43%
1 Week
36.95%
increased by 0.47%
1 Month
36.99%
increased by 0.51%
Analysis last updated: Friday, September 11, 2026 at 06:20 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 6, 1994 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 8-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 36 | |
| αARCH | 0.0885 | 6.15*** |
| βGARCH | 0.8250 | 42.44*** |
| γleverage | 0.0058 | 0.30 |
| λ₁tau intercept | 0.0150 | 1.45 |
| λ₂forecast adj. | 0.0139 | 3.21*** |
| λ₃tau persistence | 0.9842 | 196.37*** |
0.916
Persistence8d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 36 | |
α ARCH Response to squared shocks | 0.0885 | 6.15*** |
β GARCH Volatility persistence | 0.8250 | 42.44*** |
γ leverage Additional response to negative shocks | 0.0058 | 0.30 |
λ₁ tau intercept Baseline long-term coefficient | 0.0150 | 1.45 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0139 | 3.21*** |
λ₃ tau persistence Long-term factor persistence | 0.9842 | 196.37*** |
Persistence:
0.916
Half-life:
8 days
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