V-Lab
Petrolia Se MF2-GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
41.55%
decreased by 0.40%
1 Week
47.09%
increased by 5.14%
1 Month
53.61%
increased by 11.66%
Analysis last updated: Friday, September 11, 2026 at 08:49 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 11, 1999 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 1-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.1131 | 3.04*** |
| βGARCH | 0.2668 | 2.77*** |
| γleverage | 0.0780 | 1.59 |
| λ₁tau intercept | 3.4130 | 2.59*** |
| λ₂forecast adj. | 0.7007 | 2.95*** |
| λ₃tau persistence | 0.2410 | 0.96 |
0.419
Persistence1d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.1131 | 3.04*** |
β GARCH Volatility persistence | 0.2668 | 2.77*** |
γ leverage Additional response to negative shocks | 0.0780 | 1.59 |
λ₁ tau intercept Baseline long-term coefficient | 3.4130 | 2.59*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.7007 | 2.95*** |
λ₃ tau persistence Long-term factor persistence | 0.2410 | 0.96 |
Persistence:
0.419
Half-life:
1 days
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