V-Lab
Spenda Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 15th, 2026
1 Day
331.35%
increased by 4.24%
1 Week
330.55%
increased by 3.44%
1 Month
327.71%
increased by 0.60%
Analysis last updated: Wednesday, September 16, 2026 at 03:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 29, 2002 to Sep 14, 2026Illiquid Asset
Stationarity Enforced
Boundary Parameters
Model Insight
Volatility shocks decay with a half-life of 21 trading days, meaning a shock loses half its impact after approximately 21 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 21-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 126 | |
| αARCH | 0.0469 | 3.25*** |
| βGARCH | 0.9048 | 44.77*** |
| γleverage | 0.0326 | 1.35 |
| λ₁tau intercept | 3.9747 | 1.64 |
| λ₂forecast adj. | 1.0000 | 13.75*** |
| λ₃tau persistence | 0.0000 | 0.00 |
0.968
Persistence21d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 126 | |
α ARCH Response to squared shocks | 0.0469 | 3.25*** |
β GARCH Volatility persistence | 0.9048 | 44.77*** |
γ leverage Additional response to negative shocks | 0.0326 | 1.35 |
λ₁ tau intercept Baseline long-term coefficient | 3.9747 | 1.64 |
λ₂ forecast adj. Forecast performance sensitivity | 1.0000 | 13.75*** |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
0.968
Half-life:
21 days
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