Global X Nasdaq-100 Income Edge ETF Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Thursday, July 23rd, 2026
1 Day
23.64%
increased by 0.03%
1 Week
23.68%
increased by 0.07%
1 Month
23.86%
increased by 0.25%
Analysis last updated: Thursday, July 23, 2026 at 02:22 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 18, 2026 to Jul 17, 2026Model Insight
With persistence 0.995, volatility shocks have a half-life of 152 trading days (~0.6 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 | 0.9844 | 7.60*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.9954 | 5.58*** |
Spline Coefficients
K=1
| γ1 | -3.4609 | -0.07 |
Persistence:
0.995
Half-life:
152 days
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