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Sui Southern Gas Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

48.95%

increased by 4.72%

1 Week

48.93%

increased by 4.70%

1 Month

48.88%

increased by 4.65%

Analysis last updated: Wednesday, August 5, 2026 at 08:11 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sui Southern Gas 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, 1993 to Jul 31, 2026

Model Insight

Volatility shocks decay with a half-life of 12 trading days, meaning a shock loses half its impact after approximately 12 days. Returns follow a Student-t distribution with v = 4.52 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

9.4374
9.35***
α

ARCH

Response to squared shocks

0.1603
28.36***
β

GARCH

Volatility persistence

0.9441
148.47***
ν

DF

Student-t tail thickness

4.5234
13.01***

Persistence:

0.944

Half-life:

12 days