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V-Lab

AEX-Index GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

12.33%

decreased by 0.38%

1 Week

12.60%

decreased by 0.11%

1 Month

13.49%

increased by 0.78%

Analysis last updated: Friday, September 11, 2026 at 04:05 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of AEX-Index 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 11, 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
ωconst0.0251
4.61***
αARCH0.0227
2.06**
βGARCH0.8930
104.39***
γleverage0.1296
6.16***

0.981

Persistence

35d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0251
4.61***
α

ARCH

Response to squared shocks

0.0227
2.06**
β

GARCH

Volatility persistence

0.8930
104.39***
γ

leverage

Additional response to negative shocks

0.1296
6.16***

Persistence:

0.981

Half-life:

35 days