V-Lab
Samsung Electronics Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
95.04%
decreased by 2.43%
1 Week
93.48%
decreased by 3.99%
1 Month
87.73%
decreased by 9.74%
Analysis last updated: Saturday, August 22, 2026 at 11:53 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 3, 1990 to Aug 21, 2026Model Insight
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 37 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8367 | 6.06*** |
α ARCH Response to squared shocks | 0.0526 | 8.48*** |
β GARCH Volatility persistence | 0.9290 | 105.18*** |
Spline Coefficients
K=6
| γ1 | 0.0542 | 2.78*** |
| γ2 | -0.1213 | -4.19*** |
| γ3 | 0.1061 | 6.09*** |
| γ4 | -0.0542 | -3.57*** |
| γ5 | 0.0271 | 1.73* |
| γ6 | -0.0161 | -1.30 |
Persistence:
0.982
Half-life:
37 days
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