Petrolia Se MF2-GARCH Volatility Analysis
Volatility prediction for Thursday, October 29th, 2026
1 Day
47.40%
decreased by 4.83%
1 Week
51.64%
decreased by 0.59%
1 Month
59.43%
increased by 7.20%
Analysis last updated: Thursday, October 29, 2026 at 11:58 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 11, 1999 to Oct 23, 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 | 0.1140 | 3.06*** |
| βGARCH | 0.2675 | 2.79*** |
| γleverage | 0.0769 | 1.57 |
| λ₁tau intercept | 3.2815 | 2.61*** |
| λ₂forecast adj. | 0.7035 | 2.98*** |
| λ₃tau persistence | 0.2441 | 0.99 |
0.420
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 | 0.1140 | 3.06*** |
β GARCH Volatility persistence | 0.2675 | 2.79*** |
γ leverage Additional response to negative shocks | 0.0769 | 1.57 |
λ₁ tau intercept Baseline long-term coefficient | 3.2815 | 2.61*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.7035 | 2.98*** |
λ₃ tau persistence Long-term factor persistence | 0.2441 | 0.99 |
Persistence:
0.420
Half-life:
1 days
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