V-Lab
EURO STOXX 50 Price EUR GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 23rd, 2026
1 Day
15.27%
decreased by 0.57%
1 Week
15.46%
decreased by 0.38%
1 Month
16.11%
increased by 0.27%
Analysis last updated: Tuesday, September 22, 2026 at 06:02 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Sep 18, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
GJR-GARCH Model
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Leverage: volatility responds almost entirely to negative shocks
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0309 | 3.43*** |
| αARCH | 0.0115 | 1.14 |
| βGARCH | 0.8972 | 113.05*** |
| γleverage | 0.1413 | 5.91*** |
0.979
Persistence33d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0309 | 3.43*** |
α ARCH Response to squared shocks | 0.0115 | 1.14 |
β GARCH Volatility persistence | 0.8972 | 113.05*** |
γ leverage Additional response to negative shocks | 0.1413 | 5.91*** |
Persistence:
0.979
Half-life:
33 days
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