Skip to main content
V-Lab

OMX Stockholm 30 Index GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

13.74%

decreased by 0.20%

1 Week

14.08%

increased by 0.14%

1 Month

15.25%

increased by 1.31%

Analysis last updated: Friday, July 24, 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 Jul 24, 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

0.0301
21.93***
α

ARCH

Response to squared shocks

0.0233
9.89***
β

GARCH

Volatility persistence

0.9010
484.91***
γ

leverage

Additional response to negative shocks

0.1217
23.47***

Persistence:

0.985

Half-life:

46 days