V-Lab
D.L.S.I. MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
24.35%
decreased by 1.03%
1 Week
26.32%
increased by 0.94%
1 Month
29.08%
increased by 3.70%
Analysis last updated: Saturday, September 19, 2026 at 08:11 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 26, 2006 to Sep 18, 2026Stationarity Enforced
Model Insight
Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 4-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 71 | |
| αARCH | 0.1227 | 2.53** |
| βGARCH | 0.6821 | 10.22*** |
| γleverage | 0.0719 | 1.22 |
| λ₁tau intercept | 0.0629 | 0.77 |
| λ₂forecast adj. | 0.0123 | 1.09 |
| λ₃tau persistence | 0.9736 | 34.49*** |
0.841
Persistence4d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 71 | |
α ARCH Response to squared shocks | 0.1227 | 2.53** |
β GARCH Volatility persistence | 0.6821 | 10.22*** |
γ leverage Additional response to negative shocks | 0.0719 | 1.22 |
λ₁ tau intercept Baseline long-term coefficient | 0.0629 | 0.77 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0123 | 1.09 |
λ₃ tau persistence Long-term factor persistence | 0.9736 | 34.49*** |
Persistence:
0.841
Half-life:
4 days
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