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V-Lab

NASDAQ 100 GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 8th, 2026

1 Day

16.28%

decreased by 0.59%

1 Week

16.59%

decreased by 0.28%

1 Month

17.66%

increased by 0.79%

Analysis last updated: Saturday, September 5, 2026 at 12:04 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of NASDAQ 100 GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 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
ωconst0.0325
5.55***
αARCH0.0279
2.96***
βGARCH0.9022
124.20***
γleverage0.1159
5.48***

0.988

Persistence

58d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0325
5.55***
α

ARCH

Response to squared shocks

0.0279
2.96***
β

GARCH

Volatility persistence

0.9022
124.20***
γ

leverage

Additional response to negative shocks

0.1159
5.48***

Persistence:

0.988

Half-life:

58 days