V-Lab
Global X Nasdaq-100 Income Edge ETF Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 12th, 2026
1 Day
24.09%
increased by 0.02%
1 Week
24.13%
increased by 0.06%
1 Month
24.28%
increased by 0.21%
Analysis last updated: Tuesday, August 11, 2026 at 10:05 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 18, 2026 to Aug 7, 2026Model Insight
With persistence 0.997, volatility shocks have a half-life of 267 trading days (~1.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0010 | 7.25*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.9974 | 10.99*** |
Spline Coefficients
K=1
| γ1 | -2.9103 | -0.23 |
Persistence:
0.997
Half-life:
267 days
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