V-Lab
Coil GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
31.58%
unchanged at 0.00%
1 Week
36.84%
increased by 5.26%
1 Month
46.09%
increased by 14.51%
Analysis last updated: Saturday, July 25, 2026 at 11:48 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 7, 1999 to Jul 24, 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
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2052 | 21.86*** |
α ARCH Response to squared shocks | 0.1870 | 15.59*** |
β GARCH Volatility persistence | 0.6955 | 75.36*** |
γ leverage Additional response to negative shocks | 0.0263 | 1.11 |
Persistence:
0.896
Half-life:
6 days
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