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OMX Stockholm 30 Index GJR-GARCH Volatility Analysis

Volatility prediction for Friday, October 30th, 2026

1 Day

17.97%

decreased by 0.71%

1 Week

18.12%

decreased by 0.56%

1 Month

18.66%

decreased by 0.02%

Analysis last updated: Thursday, October 29, 2026 at 05:05 PM UTC

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Date Range:

from

10/29/2024

to

10/29/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of OMX Stockholm 30 Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Oct 23, 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
ωconst0.0299
5.47***
αARCH0.0232
2.46**
βGARCH0.9012
121.83***
γleverage0.1218
5.89***

0.985

Persistence

47d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0299
5.47***
α

ARCH

Response to squared shocks

0.0232
2.46**
β

GARCH

Volatility persistence

0.9012
121.83***
γ

leverage

Additional response to negative shocks

0.1218
5.89***

Persistence:

0.985

Half-life:

47 days