Global X Nasdaq-100 Cove ETF Asy. Power MEM Volatility Analysis
Volatility prediction for Monday, July 20th, 2026
1 Day
21.17%
increased by 0.58%
1 Week
20.92%
increased by 0.33%
1 Month
20.09%
decreased by 0.50%
Analysis last updated: Saturday, July 18, 2026 at 09:47 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 14, 2011 to Jul 17, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 85% more than equivalent positive returns. The volatility power δ = 1.80 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.
μ
APMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0380 | 14.67*** |
α ARCH Response to squared shocks | 0.0934 | 23.36*** |
β GARCH Volatility persistence | 0.8773 | 191.42*** |
γ leverage Additional response to negative shocks | 0.1690 | 10.49*** |
δ power Transformation power | 1.8001 | 30.88*** |
Persistence:
0.966
Half-life:
20 days
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