V-Lab
XXF Group Holdings Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
82.23%
increased by 3.20%
1 Week
83.11%
increased by 4.08%
1 Month
85.77%
increased by 6.74%
Analysis last updated: Sunday, July 26, 2026 at 01:00 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 9, 2023 to Jul 24, 2026Model Insight
Volatility shocks decay with a half-life of 18 trading days, meaning a shock loses half its impact after approximately 18 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3386 | 5.40*** |
α ARCH Response to squared shocks | 0.1477 | 8.21*** |
β GARCH Volatility persistence | 0.8294 | 61.21*** |
γ leverage Additional response to negative shocks | -0.0317 | -1.27 |
Persistence:
0.961
Half-life:
18 days
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