V-Lab
Xiandai Investment Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
20.07%
decreased by 0.10%
1 Week
20.86%
increased by 0.69%
1 Month
23.51%
increased by 3.34%
Analysis last updated: Tuesday, August 25, 2026 at 06:16 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 29, 1999 to Aug 21, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 30% 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 | 0.0898 | 14.44*** |
α ARCH Response to squared shocks | 0.1099 | 19.86*** |
β GARCH Volatility persistence | 0.8876 | 235.25*** |
γ leverage Additional response to negative shocks | -0.0256 | -3.70*** |
Persistence:
0.985
Half-life:
45 days
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