V-Lab
XXF Group Holdings Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
83.16%
increased by 3.34%
1 Week
83.85%
increased by 4.03%
1 Month
85.99%
increased by 6.17%
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
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
α ARCH Response to squared shocks | 0.1439 | 17.63*** |
β GARCH Volatility persistence | 0.8283 | 58.68*** |
γ leverage Additional response to negative shocks | -0.0218 | -1.80* |
λ₁ tau intercept Baseline long-term coefficient | 33.6450 |
Persistence:
0.961
Half-life:
18 days
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