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V-Lab

ZIP Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

113.46%

increased by 19.93%

1 Week

112.23%

increased by 18.70%

1 Month

108.00%

increased by 14.47%

Analysis last updated: Saturday, August 22, 2026 at 08:42 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of ZIP Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 3, 2017 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 25 trading days, meaning a shock loses half its impact after approximately 25 days. Returns follow a Student-t distribution with v = 4.11 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

30.1564
3.48***
α

ARCH

Response to squared shocks

0.0921
15.51***
β

GARCH

Volatility persistence

0.9730
123.19***
ν

DF

Student-t tail thickness

4.1125
6.57***

Persistence:

0.973

Half-life:

25 days