V-Lab
Luyuan Group Holding Cayman MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
126.97%
1 Week
105.79%
1 Month
79.34%
Analysis last updated: Saturday, September 19, 2026 at 09:10 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 11, 2023 to Sep 18, 2026Model Insight
This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.
MF2-GARCH Model
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| Param | Value | t-stat |
|---|---|---|
| mwindow | 71 | |
| αARCH | 0.2690 | 3.63*** |
| βGARCH | 0.5443 | 5.05*** |
| γleverage | -0.2197 | -2.46** |
| λ₁tau intercept | 2.5366 | 2.12** |
| λ₂forecast adj. | 0.7496 | 5.29*** |
| λ₃tau persistence | 0.0000 | 0.00 |
0.703
Persistence2d
Half-lifeMF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 71 | |
α ARCH Response to squared shocks | 0.2690 | 3.63*** |
β GARCH Volatility persistence | 0.5443 | 5.05*** |
γ leverage Additional response to negative shocks | -0.2197 | -2.46** |
λ₁ tau intercept Baseline long-term coefficient | 2.5366 | 2.12** |
λ₂ forecast adj. Forecast performance sensitivity | 0.7496 | 5.29*** |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
0.703
Half-life:
2 days
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