Hikma Pharmaceuticals PLC GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
38.24%
increased by 2.95%
1 Week
38.39%
increased by 3.10%
1 Month
38.77%
increased by 3.48%
Analysis last updated: Tuesday, July 14, 2026 at 06:32 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 2, 2006 to Jul 10, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 80% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5096 | 7.80*** |
α ARCH Response to squared shocks | 0.0394 | 8.28*** |
β GARCH Volatility persistence | 0.8614 | 77.24*** |
γ leverage Additional response to negative shocks | 0.0316 | 3.39*** |
Persistence:
0.917
Half-life:
8 days
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