V-Lab
Euda Health Holdings Ltd GJR-GARCH Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Tuesday, August 25th, 2026
1 Day
120.52%
increased by 15.89%
1 Week
120.62%
increased by 15.99%
1 Month
121.05%
increased by 16.42%
Analysis last updated: Monday, August 24, 2026 at 09:23 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 22, 2021 to Aug 21, 2026Model Insight
With persistence 1.000, volatility shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0516 | 4.15*** |
α ARCH Response to squared shocks | 0.0885 | 2.68*** |
β GARCH Volatility persistence | 0.8461 | 25.00*** |
γ leverage Additional response to negative shocks | 0.1308 | 0.88 |
Persistence:
1.000
Half-life:
1386294 days
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