iShares Global Clean Energy Index ETF EGARCH Volatility Analysis
Volatility prediction for Wednesday, July 15th, 2026
1 Day
36.94%
decreased by 0.06%
1 Week
36.71%
decreased by 0.29%
1 Month
35.92%
decreased by 1.08%
Analysis last updated: Wednesday, July 15, 2026 at 09:11 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 3, 2022 to Jul 10, 2026Model Insight
Volatility shocks decay with a half-life of 41 trading days, meaning a shock loses half its impact after approximately 41 days.
σ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0218 | 8.95*** |
α ARCH Response to squared shocks | 0.0454 | 5.63*** |
β GARCH Volatility persistence | 0.9834 | 600.72*** |
γ leverage Additional response to negative shocks | 0.0027 | 0.28 |
Persistence:
0.983
Half-life:
41 days
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