Matsuda Sangyo Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, October 22nd, 2026
1 Day
53.62%
decreased by 2.23%
1 Week
53.65%
decreased by 2.20%
1 Month
53.77%
decreased by 2.08%
Analysis last updated: Thursday, October 22, 2026 at 07:41 PM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 28, 1995 to Oct 16, 2026Model Insight
With persistence 0.995, volatility shocks have a half-life of 139 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GJR-GARCH Model
Tap to view equation
High persistence: persistence 0.995, shock half-life ~139 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0636 | 4.43*** |
| αARCH | 0.0769 | 5.57*** |
| βGARCH | 0.9126 | 105.82*** |
| γleverage | 0.0111 | 0.41 |
0.995
Persistence139d
Half-lifeσ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0636 | 4.43*** |
α ARCH Response to squared shocks | 0.0769 | 5.57*** |
β GARCH Volatility persistence | 0.9126 | 105.82*** |
γ leverage Additional response to negative shocks | 0.0111 | 0.41 |
Persistence:
0.995
Half-life:
139 days
Other Matsuda Sangyo Co Ltd Analyses
Other GJR-GARCH Analyses on International Equities