SK Hynix Inc MF2-GARCH Volatility Analysis
Volatility prediction for Thursday, October 29th, 2026
1 Day
83.58%
increased by 1.52%
1 Week
83.99%
increased by 1.93%
1 Month
85.73%
increased by 3.67%
Analysis last updated: Thursday, October 29, 2026 at 11:21 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 26, 1996 to Oct 23, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 354% more than equivalent positive returns.
σ
MF2-GARCH Model
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Leverage: Negative returns increase volatility 354% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.0234 | 2.56** |
| βGARCH | 0.8080 | 26.49*** |
| γleverage | 0.0830 | 5.15*** |
| λ₁tau intercept | 0.0239 | 2.03** |
| λ₂forecast adj. | 0.0328 | 5.49*** |
| λ₃tau persistence | 0.9654 | 153.33*** |
0.873
Persistence5d
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 | 0.0234 | 2.56** |
β GARCH Volatility persistence | 0.8080 | 26.49*** |
γ leverage Additional response to negative shocks | 0.0830 | 5.15*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0239 | 2.03** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0328 | 5.49*** |
λ₃ tau persistence Long-term factor persistence | 0.9654 | 153.33*** |
Persistence:
0.873
Half-life:
5 days
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