V-Lab
NCD Co Ltd/Shinagawa GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, September 24th, 2026
1 Day
28.93%
decreased by 0.49%
1 Week
31.48%
increased by 2.06%
1 Month
37.96%
increased by 8.54%
Analysis last updated: Saturday, September 19, 2026 at 11:15 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 6, 2000 to Sep 18, 2026Model Insight
Volatility shocks decay with a half-life of 14 trading days, meaning a shock loses half its impact after approximately 14 days.
σ
GJR-GARCH Model
Tap to view equation
Shock decay: Shocks decay with a 14-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.4877 | 3.75*** |
| αARCH | 0.1322 | 3.47*** |
| βGARCH | 0.8233 | 28.44*** |
| γleverage | -0.0107 | -0.18 |
0.950
Persistence14d
Half-lifeσ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.4877 | 3.75*** |
α ARCH Response to squared shocks | 0.1322 | 3.47*** |
β GARCH Volatility persistence | 0.8233 | 28.44*** |
γ leverage Additional response to negative shocks | -0.0107 | -0.18 |
Persistence:
0.950
Half-life:
14 days
Other NCD Co Ltd/Shinagawa Analyses
Other GJR-GARCH Analyses on International Equities