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V-Lab

Hikma Pharmaceuticals PLC AGARCH Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

36.83%

increased by 0.08%

1 Week

37.46%

increased by 0.71%

1 Month

38.59%

increased by 1.84%

Analysis last updated: Tuesday, July 14, 2026 at 06:32 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

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10Y ·

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graph of Hikma Pharmaceuticals PLC AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 2, 2006 to Jul 10, 2026

Model Insight

The news-impact curve is shifted (γ = 0.48) so that negative returns raise next-day volatility more than positive returns of the same size. The gap is largest for small shocks and narrows for larger ones.

σ

AGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8140
11.47***
α

ARCH

Response to squared shocks

0.0821
17.65***
β

GARCH

Volatility persistence

0.7830
65.44***
γ

leverage

Additional response to negative shocks

0.4799
3.39***

Persistence:

0.865

Half-life:

5 days