V-Lab
Global X Nasdaq-100 Income Edge ETF GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
16.69%
decreased by 0.31%
1 Week
17.23%
increased by 0.23%
1 Month
18.20%
increased by 1.20%
Analysis last updated: Saturday, September 5, 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 Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days. Returns follow a Student-t distribution with v = 13.36 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
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Shock decay: Shocks decay with a 5-day half-lifev = 13.36 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.4270 | 1.69* |
| αARCH | 0.0663 | 1.01 |
| βGARCH | 0.8716 | 1.37 |
| νDF | 13.3562 | 0.04 |
0.872
Persistence5d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.4270 | 1.69* |
α ARCH Response to squared shocks | 0.0663 | 1.01 |
β GARCH Volatility persistence | 0.8716 | 1.37 |
ν DF Student-t tail thickness | 13.3562 | 0.04 |
Persistence:
0.872
Half-life:
5 days
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