Luxembourg Stock Exchange LuxX Index GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 20th, 2026
1 Day
20.53%
decreased by 0.83%
1 Week
20.56%
decreased by 0.80%
1 Month
20.65%
decreased by 0.71%
Analysis last updated: Saturday, July 18, 2026 at 08:32 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 4, 1999 to Jul 17, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 101% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0352 | 20.41*** |
α ARCH Response to squared shocks | 0.0590 | 19.57*** |
β GARCH Volatility persistence | 0.8913 | 310.79*** |
γ leverage Additional response to negative shocks | 0.0599 | 9.42*** |
Persistence:
0.980
Half-life:
35 days
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