V-Lab
CBOE 1-Day Volatility Index MF2-GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
491.20%
1 Week
414.95%
1 Month
388.66%
Analysis last updated: Friday, September 11, 2026 at 11:30 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 13, 2022 to Sep 4, 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 | 46 | |
| αARCH | 0.2459 | 4.01*** |
| βGARCH | 0.0695 | 0.82 |
| γleverage | -0.2459 | -3.49*** |
| λ₁tau intercept | 10.0000 | 0.80 |
| λ₂forecast adj. | 0.0223 | 1.37 |
| λ₃tau persistence | 0.9612 | 27.20*** |
0.192
Persistence0d
Half-lifeMF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 46 | |
α ARCH Response to squared shocks | 0.2459 | 4.01*** |
β GARCH Volatility persistence | 0.0695 | 0.82 |
γ leverage Additional response to negative shocks | -0.2459 | -3.49*** |
λ₁ tau intercept Baseline long-term coefficient | 10.0000 | 0.80 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0223 | 1.37 |
λ₃ tau persistence Long-term factor persistence | 0.9612 | 27.20*** |
Persistence:
0.192
Half-life:
0 days
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