V-Lab
Estun Automation Co Ltd MEM Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
44.95%
decreased by 2.41%
1 Week
47.87%
increased by 0.51%
1 Month
55.81%
increased by 8.45%
Analysis last updated: Friday, September 11, 2026 at 07:16 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 9, 2026 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 16 trading days, meaning a shock loses half its impact after approximately 16 days.
μ
MEM Model
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Shock decay: Shocks decay with a 16-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9001 | 0.32 |
| αARCH | 0.2733 | 1.24 |
| βGARCH | 0.6842 | 8.05*** |
0.958
Persistence16d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9001 | 0.32 |
α ARCH Response to squared shocks | 0.2733 | 1.24 |
β GARCH Volatility persistence | 0.6842 | 8.05*** |
Persistence:
0.958
Half-life:
16 days
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