V-Lab
Global X Nasdaq-100 Income Edge ETF AGARCH Volatility Analysis
Volatility prediction for Wednesday, September 16th, 2026
1 Day
19.08%
decreased by 0.99%
1 Week
19.57%
decreased by 0.50%
1 Month
20.08%
increased by 0.01%
Analysis last updated: Wednesday, September 16, 2026 at 02:46 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 18, 2026 to Sep 11, 2026Model Insight
The news-impact curve is shifted (γ = 0.91) so that negative returns raise next-day volatility more than positive returns of the same size. The gap is largest for small shocks and narrows for larger ones.
σ
AGARCH Model
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Asymmetry: negative returns raise volatility more
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.2670 | 0.81 |
| αARCH | 0.1649 | 2.10** |
| βGARCH | 0.5877 | 1.83* |
| γleverage | 0.9139 | 2.45** |
0.753
Persistence2d
Half-lifeσ
AGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2670 | 0.81 |
α ARCH Response to squared shocks | 0.1649 | 2.10** |
β GARCH Volatility persistence | 0.5877 | 1.83* |
γ leverage Additional response to negative shocks | 0.9139 | 2.45** |
Persistence:
0.753
Half-life:
2 days
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