V-Lab
Samsung Electronics Co Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
67.47%
decreased by 0.39%
1 Week
68.96%
increased by 1.10%
1 Month
70.90%
increased by 3.04%
Analysis last updated: Sunday, September 20, 2026 at 12:39 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 3, 1990 to Sep 18, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 103% more than equivalent positive returns.
σ
MF2-GARCH Model
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Leverage: Negative returns increase volatility 103% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 36 | |
| αARCH | 0.0456 | 5.43*** |
| βGARCH | 0.8491 | 38.49*** |
| γleverage | 0.0472 | 3.26*** |
| λ₁tau intercept | 0.0148 | 1.75* |
| λ₂forecast adj. | 0.0323 | 3.32*** |
| λ₃tau persistence | 0.9653 | 91.36*** |
0.918
Persistence8d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 36 | |
α ARCH Response to squared shocks | 0.0456 | 5.43*** |
β GARCH Volatility persistence | 0.8491 | 38.49*** |
γ leverage Additional response to negative shocks | 0.0472 | 3.26*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0148 | 1.75* |
λ₂ forecast adj. Forecast performance sensitivity | 0.0323 | 3.32*** |
λ₃ tau persistence Long-term factor persistence | 0.9653 | 91.36*** |
Persistence:
0.918
Half-life:
8 days
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