Kajima Corp GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, October 22nd, 2026
1 Day
28.51%
decreased by 0.22%
1 Week
29.20%
increased by 0.47%
1 Month
31.38%
increased by 2.65%
Analysis last updated: Thursday, October 22, 2026 at 07:27 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 16, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 164% more than equivalent positive returns.
σ
GJR-GARCH Model
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Leverage: Negative returns increase volatility 164% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1774 | 6.13*** |
| αARCH | 0.0542 | 5.40*** |
| βGARCH | 0.8719 | 75.39*** |
| γleverage | 0.0886 | 3.21*** |
0.970
Persistence23d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1774 | 6.13*** |
α ARCH Response to squared shocks | 0.0542 | 5.40*** |
β GARCH Volatility persistence | 0.8719 | 75.39*** |
γ leverage Additional response to negative shocks | 0.0886 | 3.21*** |
Persistence:
0.970
Half-life:
23 days
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