V-Lab
Makoto Construction Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Friday, July 24th, 2026
1 Day
26.82%
decreased by 0.65%
1 Week
27.47%
decreased by 0.00%
1 Month
29.70%
increased by 2.23%
Analysis last updated: Friday, July 24, 2026 at 07:38 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 21, 2006 to Jul 17, 2026Model Insight
Volatility shocks decay with a half-life of 45 trading days, meaning a shock loses half its impact after approximately 45 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1144 | 12.15*** |
α ARCH Response to squared shocks | 0.0830 | 10.58*** |
β GARCH Volatility persistence | 0.8975 | 151.20*** |
γ leverage Additional response to negative shocks | 0.0086 | 0.81 |
Persistence:
0.985
Half-life:
45 days
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