V-Lab
Wawel Sa EGARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
20.48%
increased by 0.91%
1 Week
22.91%
increased by 3.34%
1 Month
28.77%
increased by 9.20%
Analysis last updated: Sunday, August 9, 2026 at 01:24 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 30, 1998 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1792 | 23.94*** |
α ARCH Response to squared shocks | 0.3539 | 44.48*** |
β GARCH Volatility persistence | 0.8843 | 168.37*** |
γ leverage Additional response to negative shocks | 0.0003 | 0.04 |
Persistence:
0.884
Half-life:
6 days
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