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V-Lab

Helix Resources Limited EGARCH Volatility Analysis

Volatility prediction for Friday, September 4th, 2026

1 Day

134.92%

increased by 1.27%

1 Week

136.72%

increased by 3.07%

1 Month

144.10%

increased by 10.45%

Analysis last updated: Friday, September 4, 2026 at 05:51 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Helix Resources Limited EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Aug 28, 2026

Model Insight

With persistence 0.995, volatility shocks have a half-life of 152 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0328
2.33**
α

ARCH

Response to squared shocks

0.0912
7.48***
β

GARCH

Volatility persistence

0.9954
306.20***
γ

leverage

Additional response to negative shocks

0.0022
0.09

Persistence:

0.995

Half-life:

152 days