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Hikma Pharmaceuticals PLC GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, October 7th, 2026

1 Day

29.54%

decreased by 1.40%

1 Week

30.24%

decreased by 0.70%

1 Month

32.42%

increased by 1.48%

Analysis last updated: Wednesday, October 7, 2026 at 06:46 PM UTC

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Date Range:

from

10/06/2024

to

10/06/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Hikma Pharmaceuticals PLC GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 2, 2006 to Oct 2, 2026

Model Insight

Volatility shocks decay with a half-life of 21 trading days, meaning a shock loses half its impact after approximately 21 days. Returns follow a Student-t distribution with v = 4.16 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 21-day half-lifev = 4.16 · fat tails
ParamValuet-stat
ωconst6.1467
1.37
αARCH0.0629
4.58***
βGARCH0.9680
38.97***
νDF4.1553
1.53

0.968

Persistence

21d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

6.1467
1.37
α

ARCH

Response to squared shocks

0.0629
4.58***
β

GARCH

Volatility persistence

0.9680
38.97***
ν

DF

Student-t tail thickness

4.1553
1.53

Persistence:

0.968

Half-life:

21 days