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V-Lab

Sui Southern Gas Co Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 26th, 2026

1 Day

38.75%

increased by 0.89%

1 Week

39.48%

increased by 1.62%

1 Month

41.49%

increased by 3.63%

Analysis last updated: Tuesday, August 25, 2026 at 07:56 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sui Southern Gas Co Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 3, 1993 to Aug 24, 2026

Model Insight

This asset exhibits a modest leverage effect: negative returns increase next-day volatility 45% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.4420
27.10***
α

ARCH

Response to squared shocks

0.1083
19.77***
β

GARCH

Volatility persistence

0.8134
177.83***
γ

leverage

Additional response to negative shocks

0.0486
4.49***

Persistence:

0.946

Half-life:

12 days