V-Lab
Dow Jones Euro Stoxx Index GJR-GARCH Volatility Analysis
Volatility prediction for Monday, September 28th, 2026
1 Day
13.64%
decreased by 0.49%
1 Week
13.86%
decreased by 0.27%
1 Month
14.56%
increased by 0.43%
Analysis last updated: Friday, September 25, 2026 at 07:22 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Sep 25, 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 | 0.0300 | 3.06*** |
| αARCH | 0.0107 | 0.79 |
| βGARCH | 0.8912 | 102.49*** |
| γleverage | 0.1473 | 4.84*** |
0.976
Persistence28d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0300 | 3.06*** |
α ARCH Response to squared shocks | 0.0107 | 0.79 |
β GARCH Volatility persistence | 0.8912 | 102.49*** |
γ leverage Additional response to negative shocks | 0.1473 | 4.84*** |
Persistence:
0.976
Half-life:
28 days
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