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Global X Nasdaq-100 Income Edge ETF GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, September 29th, 2026

1 Day

17.40%

increased by 0.56%

1 Week

17.64%

increased by 0.80%

1 Month

18.12%

increased by 1.28%

Analysis last updated: Monday, September 28, 2026 at 09:44 PM UTC

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Date Range:

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graph of Global X Nasdaq-100 Income Edge ETF GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 18, 2026 to Sep 25, 2026

Model Insight

Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days. Returns follow a Student-t distribution with v = 13.42 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 6-day half-lifev = 13.42 · fat tails
ParamValuet-stat
ωconst1.3667
1.54
αARCH0.0635
0.98
βGARCH0.8880
1.85*
νDF13.4158
0.04

0.888

Persistence

6d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.3667
1.54
α

ARCH

Response to squared shocks

0.0635
0.98
β

GARCH

Volatility persistence

0.8880
1.85*
ν

DF

Student-t tail thickness

13.4158
0.04

Persistence:

0.888

Half-life:

6 days