V-Lab
Shimizu Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, October 5th, 2026
1 Day
45.93%
decreased by 2.20%
1 Week
45.34%
decreased by 2.79%
1 Month
43.52%
decreased by 4.61%
Analysis last updated: Saturday, October 3, 2026 at 07:42 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 3, 1990 to Oct 2, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 94% more than equivalent positive returns.
σ
GJR-GARCH Model
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Leverage: Negative returns increase volatility 94% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.2552 | 5.91*** |
| αARCH | 0.0861 | 4.05*** |
| βGARCH | 0.8298 | 48.47*** |
| γleverage | 0.0808 | 2.00** |
0.956
Persistence15d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2552 | 5.91*** |
α ARCH Response to squared shocks | 0.0861 | 4.05*** |
β GARCH Volatility persistence | 0.8298 | 48.47*** |
γ leverage Additional response to negative shocks | 0.0808 | 2.00** |
Persistence:
0.956
Half-life:
15 days
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