Skip to main content
V-Lab

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

Volatility prediction for Tuesday, August 25th, 2026

1 Day

33.37%

increased by 1.43%

1 Week

33.35%

increased by 1.41%

1 Month

33.29%

increased by 1.35%

Analysis last updated: Tuesday, August 25, 2026 at 07:56 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 Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 34 trading days, meaning a shock loses half its impact after approximately 34 days. Returns follow a Student-t distribution with v = 3.37 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.2981
2.33**
α

ARCH

Response to squared shocks

0.0204
3.18***
β

GARCH

Volatility persistence

0.9800
178.53***
ν

DF

Student-t tail thickness

3.3692
2.08**

Persistence:

0.980

Half-life:

34 days