V-Lab
Samsung Electronics Co Ltd Asy. Power MEM Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
63.85%
decreased by 3.89%
1 Week
63.23%
decreased by 4.51%
1 Month
60.92%
decreased by 6.82%
Analysis last updated: Tuesday, September 8, 2026 at 09:17 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 3, 1990 to Sep 4, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 19% more than equivalent positive returns.
μ
APMEM Model
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Leverage: Negative returns increase volatility 19% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0509 | 5.16*** |
| αARCH | 0.1329 | 15.43*** |
| βGARCH | 0.8605 | 104.28*** |
| γleverage | 0.0464 | 2.38** |
| δpower | 1.8552 | 9.59*** |
0.987
Persistence53d
Half-lifeμ
APMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0509 | 5.16*** |
α ARCH Response to squared shocks | 0.1329 | 15.43*** |
β GARCH Volatility persistence | 0.8605 | 104.28*** |
γ leverage Additional response to negative shocks | 0.0464 | 2.38** |
δ power Transformation power | 1.8552 | 9.59*** |
Persistence:
0.987
Half-life:
53 days
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