V-Lab
Kyoritsu Maintenance Co Ltd EGARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
28.22%
decreased by 1.63%
1 Week
29.76%
decreased by 0.09%
1 Month
30.78%
increased by 0.93%
Analysis last updated: Saturday, August 8, 2026 at 07:55 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 20, 2021 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5283 | 10.86*** |
α ARCH Response to squared shocks | 0.3069 | 17.03*** |
β GARCH Volatility persistence | 0.6079 | 16.69*** |
γ leverage Additional response to negative shocks | -0.0366 | -1.58 |
Persistence:
0.608
Half-life:
1 days
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