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V-Lab

OMX Stockholm 30 Index GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 17th, 2026

1 Day

10.95%

decreased by 0.14%

1 Week

11.46%

increased by 0.37%

1 Month

13.15%

increased by 2.06%

Analysis last updated: Friday, August 14, 2026 at 04:04 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 Aug 14, 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

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0300
21.87***
α

ARCH

Response to squared shocks

0.0233
9.89***
β

GARCH

Volatility persistence

0.9008
485.09***
γ

leverage

Additional response to negative shocks

0.1222
23.52***

Persistence:

0.985

Half-life:

47 days