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OMX Stockholm 30 Index GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 7th, 2026

1 Day

12.99%

decreased by 0.38%

1 Week

13.37%

decreased by 0.00%

1 Month

14.66%

increased by 1.29%

Analysis last updated: Friday, September 4, 2026 at 04:05 PM UTC

Date Range:

from

to

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 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
ωconst0.0299
5.47***
αARCH0.0234
2.48**
βGARCH0.9008
121.39***
γleverage0.1222
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

0.0234
2.48**
β

GARCH

Volatility persistence

0.9008
121.39***
γ

leverage

Additional response to negative shocks

0.1222
5.89***

Persistence:

0.985

Half-life:

47 days