V-Lab
Helix Resources Limited AGARCH Volatility Analysis
Volatility prediction for Monday, September 7th, 2026
1 Day
112.99%
decreased by 4.81%
1 Week
114.06%
decreased by 3.74%
1 Month
117.45%
decreased by 0.35%
Analysis last updated: Saturday, September 5, 2026 at 06:14 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 4, 2026Illiquid Asset
Model Insight
Volatility shocks decay with a half-life of 21 trading days, meaning a shock loses half its impact after approximately 21 days.
σ
AGARCH Model
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Shock decay: Shocks decay with a 21-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.9422 | 3.69*** |
| αARCH | 0.0865 | 7.17*** |
| βGARCH | 0.8805 | 52.30*** |
| γleverage | -1.6269 | -0.94 |
0.967
Persistence21d
Half-lifeσ
AGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.9422 | 3.69*** |
α ARCH Response to squared shocks | 0.0865 | 7.17*** |
β GARCH Volatility persistence | 0.8805 | 52.30*** |
γ leverage Additional response to negative shocks | -1.6269 | -0.94 |
Persistence:
0.967
Half-life:
21 days
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