Nitta Corp GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, October 22nd, 2026
1 Day
44.13%
decreased by 2.26%
1 Week
44.00%
decreased by 2.39%
1 Month
43.51%
decreased by 2.88%
Analysis last updated: Thursday, October 22, 2026 at 07:32 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 Oct 16, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 153% more than equivalent positive returns.
σ
GJR-GARCH Model
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Leverage: Negative returns increase volatility 153% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1127 | 4.36*** |
| αARCH | 0.0539 | 5.06*** |
| βGARCH | 0.8871 | 70.29*** |
| 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 | 0.1127 | 4.36*** |
α ARCH Response to squared shocks | 0.0539 | 5.06*** |
β GARCH Volatility persistence | 0.8871 | 70.29*** |
γ leverage Additional response to negative shocks | 0.0826 | 2.75*** |
Persistence:
0.982
Half-life:
39 days
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