V-Lab
Gdh Supertime Group Company GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
58.31%
decreased by 3.90%
1 Week
55.13%
decreased by 7.08%
1 Month
47.29%
decreased by 14.92%
Analysis last updated: Saturday, August 22, 2026 at 07:19 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 16, 2022 to Aug 21, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 116% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5114 | 10.99*** |
α ARCH Response to squared shocks | 0.1399 | 6.48*** |
β GARCH Volatility persistence | 0.8014 | 54.89*** |
γ leverage Additional response to negative shocks | -0.0751 | -2.96*** |
Persistence:
0.904
Half-life:
7 days
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