Datamatics Global Services GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 20th, 2026
1 Day
42.11%
decreased by 1.20%
1 Week
43.70%
increased by 0.39%
1 Month
47.85%
increased by 4.54%
Analysis last updated: Sunday, July 19, 2026 at 12:25 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 1, 2004 to Jul 17, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 28% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6929 | 16.91*** |
α ARCH Response to squared shocks | 0.0817 | 16.35*** |
β GARCH Volatility persistence | 0.8492 | 132.75*** |
γ leverage Additional response to negative shocks | 0.0230 | 2.33** |
Persistence:
0.942
Half-life:
12 days
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