V-Lab
Nitta Corp GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, October 1st, 2026
1 Day
28.77%
decreased by 1.22%
1 Week
29.23%
decreased by 0.76%
1 Month
30.81%
increased by 0.82%
Analysis last updated: Thursday, October 1, 2026 at 09:03 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 20, 1995 to Sep 25, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 154% more than equivalent positive returns.
σ
GJR-GARCH Model
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Leverage: Negative returns increase volatility 154% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1126 | 4.35*** |
| αARCH | 0.0537 | 5.04*** |
| βGARCH | 0.8872 | 70.21*** |
| γleverage | 0.0826 | 2.75*** |
0.982
Persistence39d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1126 | 4.35*** |
α ARCH Response to squared shocks | 0.0537 | 5.04*** |
β GARCH Volatility persistence | 0.8872 | 70.21*** |
γ leverage Additional response to negative shocks | 0.0826 | 2.75*** |
Persistence:
0.982
Half-life:
39 days
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