V-Lab
VanEck Semiconductor ETF Fund MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
35.45%
decreased by 0.95%
1 Week
35.76%
decreased by 0.64%
1 Month
36.67%
increased by 0.27%
Analysis last updated: Friday, September 11, 2026 at 10:35 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 5, 2000 to Sep 11, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
MF2-GARCH Model
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Leverage: volatility responds almost entirely to negative shocks
| Param | Value | t-stat |
|---|---|---|
| mwindow | 46 | |
| αARCH | 0.0142 | 1.61 |
| βGARCH | 0.8949 | 75.18*** |
| γleverage | 0.0996 | 7.74*** |
| λ₁tau intercept | 0.0061 | 1.50 |
| λ₂forecast adj. | 0.0182 | 3.01*** |
| λ₃tau persistence | 0.9800 | 146.68*** |
0.959
Persistence16d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 46 | |
α ARCH Response to squared shocks | 0.0142 | 1.61 |
β GARCH Volatility persistence | 0.8949 | 75.18*** |
γ leverage Additional response to negative shocks | 0.0996 | 7.74*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0061 | 1.50 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0182 | 3.01*** |
λ₃ tau persistence Long-term factor persistence | 0.9800 | 146.68*** |
Persistence:
0.959
Half-life:
16 days
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