V-Lab
Taisei Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
40.99%
decreased by 1.13%
1 Week
41.00%
decreased by 1.12%
1 Month
41.03%
decreased by 1.09%
Analysis last updated: Saturday, August 22, 2026 at 10:51 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 3, 1990 to Aug 21, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 119% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1577 | 17.76*** |
α ARCH Response to squared shocks | 0.0653 | 21.90*** |
β GARCH Volatility persistence | 0.8723 | 264.67*** |
γ leverage Additional response to negative shocks | 0.0778 | 10.99*** |
Persistence:
0.977
Half-life:
29 days
Other GJR-GARCH Analyses on International Equities