V-Lab
Guangdong Tianyu Semiconductor Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, October 7th, 2026
1 Day
61.47%
decreased by 3.90%
1 Week
62.09%
decreased by 3.28%
1 Month
62.97%
decreased by 2.40%
Analysis last updated: Wednesday, October 7, 2026 at 06:49 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 5, 2025 to Oct 2, 2026Model Insight
Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 3-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2.9439 | 2.30** |
| αARCH | 0.1625 | 1.35 |
| βGARCH | 0.7048 | 5.97*** |
| γleverage | -0.1029 | -0.54 |
0.816
Persistence3d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.9439 | 2.30** |
α ARCH Response to squared shocks | 0.1625 | 1.35 |
β GARCH Volatility persistence | 0.7048 | 5.97*** |
γ leverage Additional response to negative shocks | -0.1029 | -0.54 |
Persistence:
0.816
Half-life:
3 days
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