V-Lab
XtalPi Holdings Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, October 7th, 2026
1 Day
72.48%
unchanged at 0.00%
1 Week
72.48%
unchanged at 0.00%
1 Month
72.48%
unchanged at 0.00%
Analysis last updated: Wednesday, October 7, 2026 at 06:44 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 9, 2026 to Oct 2, 2026Model Insight
Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 9-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.5099 | 0.01 |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.9276 | 0.11 |
| γleverage | 0.0000 | 0.00 |
0.928
Persistence9d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.5099 | 0.01 |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.9276 | 0.11 |
γ leverage Additional response to negative shocks | 0.0000 | 0.00 |
Persistence:
0.928
Half-life:
9 days
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