V-Lab
Nodestream Ltd EGARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
129.69%
decreased by 18.00%
1 Week
126.39%
decreased by 21.30%
1 Month
122.18%
decreased by 25.51%
Analysis last updated: Friday, September 11, 2026 at 05:55 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 12, 2016 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days.
σ
EGARCH Model
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Shock decay: Shocks decay with a 3-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.8243 | 2.76*** |
| αARCH | 0.2193 | 3.83*** |
| βGARCH | 0.7962 | 10.46*** |
| γleverage | 0.0178 | 0.32 |
0.796
Persistence3d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8243 | 2.76*** |
α ARCH Response to squared shocks | 0.2193 | 3.83*** |
β GARCH Volatility persistence | 0.7962 | 10.46*** |
γ leverage Additional response to negative shocks | 0.0178 | 0.32 |
Persistence:
0.796
Half-life:
3 days
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