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V-Lab

Helix Resources Limited GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

141.73%

increased by 17.68%

1 Week

141.10%

increased by 17.05%

1 Month

138.91%

increased by 14.86%

Analysis last updated: Wednesday, August 5, 2026 at 05:51 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Helix Resources Limited GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Jul 31, 2026

Model Insight

Volatility shocks decay with a half-life of 33 trading days, meaning a shock loses half its impact after approximately 33 days.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.2904
9.35***
α

ARCH

Response to squared shocks

0.0595
11.08***
β

GARCH

Volatility persistence

0.9168
240.94***
γ

leverage

Additional response to negative shocks

0.0061
0.59

Persistence:

0.979

Half-life:

33 days