D.L.S.I. MF2-GARCH Volatility Analysis
Volatility prediction for Friday, October 23rd, 2026
1 Day
26.59%
decreased by 2.16%
1 Week
27.55%
decreased by 1.20%
1 Month
29.05%
increased by 0.30%
Analysis last updated: Friday, October 23, 2026 at 06:45 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 26, 2006 to Oct 16, 2026Model 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 | 0.1223 | 2.53** |
| βGARCH | 0.6820 | 10.19*** |
| γleverage | 0.0720 | 1.22 |
| λ₁tau intercept | 0.0630 | 0.78 |
| λ₂forecast adj. | 0.0124 | 1.10 |
| λ₃tau persistence | 0.9734 | 34.27*** |
0.840
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 | 0.1223 | 2.53** |
β GARCH Volatility persistence | 0.6820 | 10.19*** |
γ leverage Additional response to negative shocks | 0.0720 | 1.22 |
λ₁ tau intercept Baseline long-term coefficient | 0.0630 | 0.78 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0124 | 1.10 |
λ₃ tau persistence Long-term factor persistence | 0.9734 | 34.27*** |
Persistence:
0.840
Half-life:
4 days
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