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V-Lab

NASDAQ 100 GJR-GARCH Volatility Analysis

Volatility prediction for Thursday, September 10th, 2026

1 Day

15.33%

decreased by 0.42%

1 Week

15.67%

decreased by 0.08%

1 Month

16.88%

increased by 1.13%

Analysis last updated: Thursday, September 10, 2026 at 12:13 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