V-Lab
Dow Jones Utilities Average GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
17.60%
decreased by 0.16%
1 Week
17.56%
decreased by 0.20%
1 Month
17.42%
decreased by 0.34%
Analysis last updated: Tuesday, August 25, 2026 at 12:03 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 21, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 125% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0176 | 26.44*** |
α ARCH Response to squared shocks | 0.0477 | 18.45*** |
β GARCH Volatility persistence | 0.9059 | 475.29*** |
γ leverage Additional response to negative shocks | 0.0594 | 11.19*** |
Persistence:
0.983
Half-life:
41 days
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