V-Lab
Han Kook Capital Co Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Wednesday, October 7th, 2026
1 Day
21.68%
decreased by 0.66%
1 Week
25.93%
increased by 3.59%
1 Month
26.90%
increased by 4.56%
Analysis last updated: Wednesday, October 7, 2026 at 07:59 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 26, 2001 to Oct 2, 2026Model Insight
Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 2-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 31 | |
| αARCH | 0.3677 | 4.78*** |
| βGARCH | 0.3731 | 5.87*** |
| γleverage | -0.1172 | -1.47 |
| λ₁tau intercept | 0.2641 | 1.26 |
| λ₂forecast adj. | 0.2437 | 1.59 |
| λ₃tau persistence | 0.7110 | 3.81*** |
0.682
Persistence2d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 31 | |
α ARCH Response to squared shocks | 0.3677 | 4.78*** |
β GARCH Volatility persistence | 0.3731 | 5.87*** |
γ leverage Additional response to negative shocks | -0.1172 | -1.47 |
λ₁ tau intercept Baseline long-term coefficient | 0.2641 | 1.26 |
λ₂ forecast adj. Forecast performance sensitivity | 0.2437 | 1.59 |
λ₃ tau persistence Long-term factor persistence | 0.7110 | 3.81*** |
Persistence:
0.682
Half-life:
2 days
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