V-Lab
Dow Jones Utilities Average GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 28th, 2026
1 Day
15.32%
increased by 1.14%
1 Week
15.35%
increased by 1.17%
1 Month
15.48%
increased by 1.30%
Analysis last updated: Tuesday, July 28, 2026 at 12:14 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Jul 24, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 124% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0177 | 26.51*** |
α ARCH Response to squared shocks | 0.0482 | 18.55*** |
β GARCH Volatility persistence | 0.9052 | 473.69*** |
γ leverage Additional response to negative shocks | 0.0596 | 11.17*** |
Persistence:
0.983
Half-life:
41 days
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