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V-Lab

OMX Stockholm 30 Index EGARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

15.24%

increased by 0.82%

1 Week

15.47%

increased by 1.05%

1 Month

16.32%

increased by 1.90%

Analysis last updated: Friday, September 18, 2026 at 04:13 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of OMX Stockholm 30 Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 18, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 245% more than equivalent positive returns.

σ

EGARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 245% more than positive returns
ParamValuet-stat
ωconst0.0135
2.11**
αARCH0.1539
11.13***
βGARCH0.9794
256.31***
γleverage-0.0847
-6.44***

0.979

Persistence

33d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0135
2.11**
α

ARCH

Response to squared shocks

0.1539
11.13***
β

GARCH

Volatility persistence

0.9794
256.31***
γ

leverage

Additional response to negative shocks

-0.0847
-6.44***

Persistence:

0.979

Half-life:

33 days