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Helix Resources Limited Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Wednesday, October 7th, 2026

1 Day

175.19%

increased by 1.89%

1 Week

186.50%

increased by 13.20%

1 Month

210.09%

increased by 36.79%

Analysis last updated: Wednesday, October 7, 2026 at 06:04 PM UTC

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Date Range:

from

10/06/2024

to

10/06/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Helix Resources Limited S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Oct 2, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 7 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst0.9272
5.78***
αARCH0.1116
6.59***
βGARCH0.7969
25.02***
∑γi Spline Coefficients
K=7
γ10.0414
1.17
γ2-0.0851
-1.81*
γ30.0959
3.18***
γ4-0.0811
-2.27**
γ50.0179
0.44
γ60.0661
1.73*
γ7-0.0961
-3.61***

0.909

Persistence

7d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.9272
5.78***
α

ARCH

Response to squared shocks

0.1116
6.59***
β

GARCH

Volatility persistence

0.7969
25.02***
∑γi Spline Coefficients
K=7
γ10.0414
1.17
γ2-0.0851
-1.81*
γ30.0959
3.18***
γ4-0.0811
-2.27**
γ50.0179
0.44
γ60.0661
1.73*
γ7-0.0961
-3.61***

Persistence:

0.909

Half-life:

7 days