V-Lab
Zhejiang MTCN Technology Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
38.88%
decreased by 0.51%
1 Week
40.67%
increased by 1.28%
1 Month
45.32%
increased by 5.93%
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 12 trading days, meaning a shock loses half its impact after approximately 12 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 12-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.6357 | 3.64*** |
| αARCH | 0.1519 | 3.12*** |
| βGARCH | 0.8061 | 23.86*** |
| γleverage | -0.0281 | -0.34 |
0.944
Persistence12d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6357 | 3.64*** |
α ARCH Response to squared shocks | 0.1519 | 3.12*** |
β GARCH Volatility persistence | 0.8061 | 23.86*** |
γ leverage Additional response to negative shocks | -0.0281 | -0.34 |
Persistence:
0.944
Half-life:
12 days
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