Hikma Pharmaceuticals PLC Asy. MEM Volatility Analysis
Volatility prediction for Monday, October 19th, 2026
1 Day
40.40%
decreased by 0.93%
1 Week
41.09%
decreased by 0.24%
1 Month
43.16%
increased by 1.83%
Analysis last updated: Saturday, October 17, 2026 at 08:41 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 6, 2006 to Oct 16, 2026Model Insight
Volatility shocks decay with a half-life of 17 trading days, meaning a shock loses half its impact after approximately 17 days.
μ
AMEM Model
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Shock decay: Shocks decay with a 17-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.3764 | 3.08*** |
| αARCH | 0.0626 | 2.91*** |
| βGARCH | 0.8896 | 55.62*** |
| γleverage | 0.0153 | 0.41 |
0.960
Persistence17d
Half-lifeμ
AMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3764 | 3.08*** |
α ARCH Response to squared shocks | 0.0626 | 2.91*** |
β GARCH Volatility persistence | 0.8896 | 55.62*** |
γ leverage Additional response to negative shocks | 0.0153 | 0.41 |
Persistence:
0.960
Half-life:
17 days
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