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Avon Technologies PLC GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

64.44%

decreased by 3.88%

1 Week

64.45%

decreased by 3.87%

1 Month

64.47%

decreased by 3.85%

Analysis last updated: Wednesday, September 16, 2026 at 05:43 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Avon Technologies PLC GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 30, 2020 to Sep 14, 2026

Model Insight

Volatility shocks decay with a half-life of 17 trading days, meaning a shock loses half its impact after approximately 17 days. Returns follow a Student-t distribution with v = 2.68 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 17-day half-lifev = 2.68 · fat tails
ParamValuet-stat
ωconst16.5212
0.66
αARCH0.0705
3.12***
βGARCH0.9590
14.98***
νDF2.6824
2.62***

0.959

Persistence

17d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

16.5212
0.66
α

ARCH

Response to squared shocks

0.0705
3.12***
β

GARCH

Volatility persistence

0.9590
14.98***
ν

DF

Student-t tail thickness

2.6824
2.62***

Persistence:

0.959

Half-life:

17 days