V-Lab
Abionyx Pharma SA GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 2nd, 2026
1 Day
74.88%
decreased by 0.08%
1 Week
76.96%
increased by 2.00%
1 Month
83.02%
increased by 8.06%
Analysis last updated: Wednesday, September 2, 2026 at 08:47 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 15, 2016 to Aug 28, 2026Model Insight
Volatility shocks decay with a half-life of 17 trading days, meaning a shock loses half its impact after approximately 17 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.5666 | 0.75 |
α ARCH Response to squared shocks | 0.0390 | 0.83 |
β GARCH Volatility persistence | 0.9225 | 13.12*** |
γ leverage Additional response to negative shocks | -0.0051 | -0.05 |
Persistence:
0.959
Half-life:
17 days
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