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
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 28, 2026Model 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
| Parameter | Value | t-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
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