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Ventia Services Group Pty Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

32.99%

decreased by 0.60%

1 Week

33.01%

decreased by 0.58%

1 Month

33.07%

decreased by 0.52%

Analysis last updated: Friday, September 11, 2026 at 09:06 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Ventia Services Group Pty Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 23, 2021 to Sep 9, 2026

Model Insight

Volatility shocks decay with a half-life of 35 trading days, meaning a shock loses half its impact after approximately 35 days. Returns follow a Student-t distribution with v = 3.28 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 35-day half-lifev = 3.28 · fat tails
ParamValuet-stat
ωconst4.4441
0.57
αARCH0.0196
0.80
βGARCH0.9803
44.64***
νDF3.2810
0.54

0.980

Persistence

35d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.4441
0.57
α

ARCH

Response to squared shocks

0.0196
0.80
β

GARCH

Volatility persistence

0.9803
44.64***
ν

DF

Student-t tail thickness

3.2810
0.54

Persistence:

0.980

Half-life:

35 days