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V-Lab
V-Lab

First Trust NASDAQ Clean Edge Green Energy Index Fund Spline-GARCH Volatility Analysis

Volatility prediction for Wednesday, September 9th, 2026

1 Day

35.20%

increased by 0.39%

1 Week

35.74%

increased by 0.93%

1 Month

37.68%

increased by 2.87%

Analysis last updated: Tuesday, September 8, 2026 at 10:25 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

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

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 14, 2007 to Sep 4, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 51 trading days.

τ

Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.2399
7.27***
αARCH0.0721
7.40***
βGARCH0.9144
83.68***
γi Spline Coefficients
K=1
γ10.0090
4.13***

0.986

Persistence

51d

Half-life
τ

Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.2399
7.27***
α

ARCH

Response to squared shocks

0.0721
7.40***
β

GARCH

Volatility persistence

0.9144
83.68***
γi Spline Coefficients
K=1
γ10.0090
4.13***

Persistence:

0.986

Half-life:

51 days