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

Volatility prediction for Tuesday, October 20th, 2026

1 Day

19.40%

decreased by 0.32%

1 Week

19.23%

decreased by 0.49%

1 Month

18.88%

decreased by 0.84%

Analysis last updated: Monday, October 19, 2026 at 09:38 PM UTC

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Date Range:

from

10/19/2024

to

10/19/2026

6M ·

All

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 Oct 16, 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 = 13.21 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 = 13.21 · fat tails
ParamValuet-stat
ωconst1.3646
1.48
αARCH0.0635
0.93
βGARCH0.8849
1.91*
νDF13.2119
0.04

0.885

Persistence

6d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.3646
1.48
α

ARCH

Response to squared shocks

0.0635
0.93
β

GARCH

Volatility persistence

0.8849
1.91*
ν

DF

Student-t tail thickness

13.2119
0.04

Persistence:

0.885

Half-life:

6 days