Makoto Construction Co Ltd EGARCH Volatility Analysis
Volatility prediction for Tuesday, July 21st, 2026
1 Day
32.30%
increased by 2.57%
1 Week
33.31%
increased by 3.58%
1 Month
37.15%
increased by 7.42%
Analysis last updated: Sunday, July 19, 2026 at 02:23 AM 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 28 trading days, meaning a shock loses half its impact after approximately 28 days.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0654 | 14.72*** |
α ARCH Response to squared shocks | 0.1822 | 17.96*** |
β GARCH Volatility persistence | 0.9759 | 450.13*** |
γ leverage Additional response to negative shocks | -0.0004 | -0.04 |
Persistence:
0.976
Half-life:
28 days
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