Abionyx Pharma SA GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, October 22nd, 2026
1 Day
80.34%
decreased by 0.50%
1 Week
81.70%
increased by 0.86%
1 Month
85.77%
increased by 4.93%
Analysis last updated: Thursday, October 22, 2026 at 08:37 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 15, 2016 to Oct 19, 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
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Shock decay: Shocks decay with a 17-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.4854 | 0.77 |
| αARCH | 0.0390 | 0.84 |
| βGARCH | 0.9237 | 13.65*** |
| γleverage | -0.0059 | -0.06 |
0.960
Persistence17d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.4854 | 0.77 |
α ARCH Response to squared shocks | 0.0390 | 0.84 |
β GARCH Volatility persistence | 0.9237 | 13.65*** |
γ leverage Additional response to negative shocks | -0.0059 | -0.06 |
Persistence:
0.960
Half-life:
17 days
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