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V-Lab

iShares Global Clean Energy Index ETF Asy. MEM Volatility Analysis

Volatility prediction for Monday, July 20th, 2026

1 Day

52.77%

increased by 15.35%

1 Week

51.58%

increased by 14.16%

1 Month

47.97%

increased by 10.55%

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 AMEM

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 13 trading days, meaning a shock loses half its impact after approximately 13 days.

μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.3094
6.01***
α

ARCH

Response to squared shocks

0.0619
3.72***
β

GARCH

Volatility persistence

0.8764
67.20***
γ

leverage

Additional response to negative shocks

0.0204
0.60

Persistence:

0.948

Half-life:

13 days