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V-Lab

Invesco QQQ Trust Series 1 GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, September 9th, 2026

1 Day

15.29%

decreased by 0.56%

1 Week

15.60%

decreased by 0.25%

1 Month

16.69%

increased by 0.84%

Analysis last updated: Tuesday, September 8, 2026 at 10:25 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Invesco QQQ Trust Series 1 GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 10, 1999 to Sep 4, 2026

Model Insight

This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.

σ

GJR-GARCH Model

Tap to view equation

Leverage: volatility responds almost entirely to negative shocks
ParamValuet-stat
ωconst0.0307
4.60***
αARCH0.0250
1.62
βGARCH0.8986
89.06***
γleverage0.1279
4.66***

0.988

Persistence

56d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0307
4.60***
α

ARCH

Response to squared shocks

0.0250
1.62
β

GARCH

Volatility persistence

0.8986
89.06***
γ

leverage

Additional response to negative shocks

0.1279
4.66***

Persistence:

0.988

Half-life:

56 days