V-Lab
First Trust NASDAQ Clean Edge Green Energy Index Fund EGARCH Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
31.81%
increased by 0.02%
1 Week
31.89%
increased by 0.10%
1 Month
32.18%
increased by 0.39%
Analysis last updated: Tuesday, September 8, 2026 at 10:25 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 14, 2007 to Sep 4, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 88% more than equivalent positive returns.
σ
EGARCH Model
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Leverage: Negative returns increase volatility 88% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0244 | 3.56*** |
| αARCH | 0.1531 | 7.98*** |
| βGARCH | 0.9842 | 307.38*** |
| γleverage | -0.0466 | -2.81*** |
0.984
Persistence44d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0244 | 3.56*** |
α ARCH Response to squared shocks | 0.1531 | 7.98*** |
β GARCH Volatility persistence | 0.9842 | 307.38*** |
γ leverage Additional response to negative shocks | -0.0466 | -2.81*** |
Persistence:
0.984
Half-life:
44 days
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