V-Lab
Regentis Biomaterials Ltd AGARCH Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Wednesday, August 12th, 2026
1 Day
89.93%
1 Week
121.86%
1 Month
284.50%
Analysis last updated: Tuesday, August 11, 2026 at 10:28 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 4, 2025 to Aug 7, 2026Model Insight
Estimated persistence of 1.121 is at or above 1 (non-stationary): volatility shocks do not decay and the long-run variance is undefined, so long-horizon forecasts should be treated with caution.
Asymmetry: positive returns raise volatility more
AGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 7.2806 | 5.65*** |
α ARCH Response to squared shocks | 0.5020 | 6.60*** |
β GARCH Volatility persistence | 0.6191 | 36.26*** |
γ leverage Additional response to negative shocks | -1.1986 | -3.23*** |
Persistence:
1.121
Half-life:
-
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