Helix Resources Limited GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, October 29th, 2026
1 Day
104.97%
decreased by 2.97%
1 Week
105.85%
decreased by 2.09%
1 Month
108.88%
increased by 0.94%
Analysis last updated: Thursday, October 29, 2026 at 08:47 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Oct 23, 2026Model Insight
Volatility shocks decay with a half-life of 34 trading days, meaning a shock loses half its impact after approximately 34 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 34-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.2600 | 2.26** |
| αARCH | 0.0572 | 2.78*** |
| βGARCH | 0.9184 | 62.42*** |
| γleverage | 0.0082 | 0.20 |
0.980
Persistence34d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2600 | 2.26** |
α ARCH Response to squared shocks | 0.0572 | 2.78*** |
β GARCH Volatility persistence | 0.9184 | 62.42*** |
γ leverage Additional response to negative shocks | 0.0082 | 0.20 |
Persistence:
0.980
Half-life:
34 days
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