Skip to main content
V-Lab
V-Lab

NASDAQ 100 GJR-GARCH Volatility Analysis

Volatility prediction for Friday, October 2nd, 2026

1 Day

14.74%

decreased by 0.46%

1 Week

15.11%

decreased by 0.09%

1 Month

16.41%

increased by 1.21%

Analysis last updated: Friday, October 2, 2026 at 12:05 AM UTC

Press Delete or Backspace to remove this series.
Date Range:

from

10/01/2024

to

10/01/2026

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 25, 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***
αARCH0.0278
2.96***
βGARCH0.9024
124.50***
γleverage0.1158
5.49***

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

0.0278
2.96***
β

GARCH

Volatility persistence

0.9024
124.50***
γ

leverage

Additional response to negative shocks

0.1158
5.49***

Persistence:

0.988

Half-life:

58 days