V-Lab
Zhejiang MTCN Technology Co Ltd EGARCH Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
41.01%
increased by 0.19%
1 Week
42.51%
increased by 1.69%
1 Month
46.91%
increased by 6.09%
Analysis last updated: Tuesday, September 8, 2026 at 07:47 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 18, 2020 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 11 trading days, meaning a shock loses half its impact after approximately 11 days.
σ
EGARCH Model
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Shock decay: Shocks decay with a 11-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1577 | 3.77*** |
| αARCH | 0.2646 | 5.11*** |
| βGARCH | 0.9367 | 58.11*** |
| γleverage | 0.0245 | 0.58 |
0.937
Persistence11d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1577 | 3.77*** |
α ARCH Response to squared shocks | 0.2646 | 5.11*** |
β GARCH Volatility persistence | 0.9367 | 58.11*** |
γ leverage Additional response to negative shocks | 0.0245 | 0.58 |
Persistence:
0.937
Half-life:
11 days
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