Datamatics Global Services EGARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
45.40%
decreased by 2.49%
1 Week
47.07%
decreased by 0.82%
1 Month
51.73%
increased by 3.84%
Analysis last updated: Tuesday, July 14, 2026 at 06:58 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 1, 2004 to Jul 10, 2026Model Insight
Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days.
σ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1859 | 17.05*** |
α ARCH Response to squared shocks | 0.2113 | 25.95*** |
β GARCH Volatility persistence | 0.9296 | 212.97*** |
γ leverage Additional response to negative shocks | 0.0053 | 0.85 |
Persistence:
0.930
Half-life:
9 days
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