Spenda Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Thursday, October 29th, 2026
1 Day
352.94%
increased by 2.89%
1 Week
352.21%
increased by 2.16%
1 Month
337.35%
decreased by 12.70%
Analysis last updated: Thursday, October 29, 2026 at 08:49 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 29, 2002 to Oct 23, 2026Model 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 | 0.0467 | 3.24*** |
| βGARCH | 0.9048 | 44.82*** |
| γleverage | 0.0329 | 1.36 |
| λ₁tau intercept | 3.9733 | 1.64 |
| λ₂forecast adj. | 1.0000 | 13.84*** |
| 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 | 0.0467 | 3.24*** |
β GARCH Volatility persistence | 0.9048 | 44.82*** |
γ leverage Additional response to negative shocks | 0.0329 | 1.36 |
λ₁ tau intercept Baseline long-term coefficient | 3.9733 | 1.64 |
λ₂ forecast adj. Forecast performance sensitivity | 1.0000 | 13.84*** |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
0.968
Half-life:
21 days
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