V-Lab
Wolong New Energy Group Co Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
33.17%
increased by 0.03%
1 Week
35.93%
increased by 2.79%
1 Month
38.34%
increased by 5.20%
Analysis last updated: Friday, September 11, 2026 at 06:15 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 15, 1999 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 5-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 41 | |
| αARCH | 0.1659 | 9.08*** |
| βGARCH | 0.7256 | 21.74*** |
| γleverage | -0.0425 | -1.87* |
| λ₁tau intercept | 0.1512 | 1.46 |
| λ₂forecast adj. | 0.0678 | 1.84* |
| λ₃tau persistence | 0.9146 | 19.39*** |
0.870
Persistence5d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 41 | |
α ARCH Response to squared shocks | 0.1659 | 9.08*** |
β GARCH Volatility persistence | 0.7256 | 21.74*** |
γ leverage Additional response to negative shocks | -0.0425 | -1.87* |
λ₁ tau intercept Baseline long-term coefficient | 0.1512 | 1.46 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0678 | 1.84* |
λ₃ tau persistence Long-term factor persistence | 0.9146 | 19.39*** |
Persistence:
0.870
Half-life:
5 days
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