Conpet SA GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
15.72%
decreased by 0.41%
1 Week
17.20%
increased by 1.07%
1 Month
21.51%
increased by 5.38%
Analysis last updated: Tuesday, July 14, 2026 at 07:55 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 24, 2009 to Jul 10, 2026Model Insight
Volatility shocks decay with a half-life of 30 trading days, meaning a shock loses half its impact after approximately 30 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1211 | 11.35*** |
α ARCH Response to squared shocks | 0.1349 | 7.20*** |
β GARCH Volatility persistence | 0.8331 | 126.12*** |
γ leverage Additional response to negative shocks | 0.0178 | 0.58 |
Persistence:
0.977
Half-life:
30 days
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