Matsuda Sangyo Co Ltd GARCH Volatility Analysis
Volatility prediction for Monday, October 19th, 2026
1 Day
50.77%
increased by 0.78%
1 Week
50.81%
increased by 0.82%
1 Month
50.97%
increased by 0.98%
Analysis last updated: Saturday, October 17, 2026 at 11:47 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 135 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GARCH Model
Tap to view equation
High persistence: persistence 0.995, shock half-life ~135 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0611 | 4.28*** |
| αARCH | 0.0797 | 8.96*** |
| βGARCH | 0.9152 | 107.73*** |
0.995
Persistence135d
Half-lifeσ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0611 | 4.28*** |
α ARCH Response to squared shocks | 0.0797 | 8.96*** |
β GARCH Volatility persistence | 0.9152 | 107.73*** |
Persistence:
0.995
Half-life:
135 days
Other Matsuda Sangyo Co Ltd Analyses
Other GARCH Analyses on International Equities