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V-Lab

First Trust NASDAQ Clean Edge Green Energy Index Fund AGARCH Volatility Analysis

Volatility prediction for Friday, September 4th, 2026

1 Day

31.40%

decreased by 1.50%

1 Week

31.55%

decreased by 1.35%

1 Month

32.09%

decreased by 0.81%

Analysis last updated: Thursday, September 3, 2026 at 09:25 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of First Trust NASDAQ Clean Edge Green Energy Index Fund AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 14, 2007 to Aug 28, 2026

Model Insight

The news-impact curve is shifted (γ = 0.47) so that negative returns raise next-day volatility more than positive returns of the same size. The gap is largest for small shocks and narrows for larger ones.

σ

AGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0458
3.45***
α

ARCH

Response to squared shocks

0.0882
11.62***
β

GARCH

Volatility persistence

0.8997
119.61***
γ

leverage

Additional response to negative shocks

0.4743
3.59***

Persistence:

0.988

Half-life:

57 days