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V-Lab

iShares Global Clean Energy Index ETF AGARCH Volatility Analysis

Volatility prediction for Monday, July 20th, 2026

1 Day

31.63%

decreased by 2.98%

1 Week

32.39%

decreased by 2.22%

1 Month

32.65%

decreased by 1.96%

Analysis last updated: Saturday, July 18, 2026 at 09:57 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of iShares Global Clean Energy Index ETF AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 3, 2022 to Jul 17, 2026

Model Insight

Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.

σ

AGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.5969
26.04***
α

ARCH

Response to squared shocks

0.1002
6.88***
β

GARCH

Volatility persistence

0.2824
22.76***
γ

leverage

Additional response to negative shocks

0.5343
1.60

Persistence:

0.383

Half-life:

1 days