V-Lab
Semilux International Ltd -Redh MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
856.14%
decreased by 88.20%
1 Week
877.47%
decreased by 66.87%
1 Month
1,021.79%
increased by 77.45%
Analysis last updated: Saturday, September 19, 2026 at 09:25 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 28, 2022 to Sep 18, 2026Boundary Parameters
Model Insight
Volatility shocks decay with a half-life of 17 trading days, meaning a shock loses half its impact after approximately 17 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 17-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 51 | |
| αARCH | 0.0308 | 0.71 |
| βGARCH | 0.8174 | 11.64*** |
| γleverage | 0.2245 | 1.80* |
| λ₁tau intercept | 10.0000 | 1.81* |
| λ₂forecast adj. | 0.6022 | 2.54** |
| λ₃tau persistence | 0.3978 | 2.57** |
0.960
Persistence17d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 51 | |
α ARCH Response to squared shocks | 0.0308 | 0.71 |
β GARCH Volatility persistence | 0.8174 | 11.64*** |
γ leverage Additional response to negative shocks | 0.2245 | 1.80* |
λ₁ tau intercept Baseline long-term coefficient | 10.0000 | 1.81* |
λ₂ forecast adj. Forecast performance sensitivity | 0.6022 | 2.54** |
λ₃ tau persistence Long-term factor persistence | 0.3978 | 2.57** |
Persistence:
0.960
Half-life:
17 days
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