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V-Lab

Invesco QQQ Income Advan ETF GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

13.04%

decreased by 0.67%

1 Week

13.57%

decreased by 0.14%

1 Month

15.13%

increased by 1.42%

Analysis last updated: Friday, August 21, 2026 at 09:56 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Invesco QQQ Income Advan ETF GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 17, 2024 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 20 trading days, meaning a shock loses half its impact after approximately 20 days. Returns follow a Student-t distribution with v = 5.67 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.5210
4.04***
α

ARCH

Response to squared shocks

0.1265
10.92***
β

GARCH

Volatility persistence

0.9660
125.98***
ν

DF

Student-t tail thickness

5.6670
3.35***

Persistence:

0.966

Half-life:

20 days