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V-Lab

OMX Stockholm 30 Index GARCH Volatility Analysis

Volatility prediction for Friday, October 16th, 2026

1 Day

15.22%

decreased by 0.32%

1 Week

15.44%

decreased by 0.10%

1 Month

16.20%

increased by 0.66%

Analysis last updated: Thursday, October 15, 2026 at 04:05 PM UTC

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Date Range:

from

10/15/2024

to

10/15/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of OMX Stockholm 30 Index GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Oct 9, 2026

Model Insight

Volatility shocks decay with a half-life of 54 trading days, meaning a shock loses half its impact after approximately 54 days.

σ

GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 54-day half-life
ParamValuet-stat
ωconst0.0249
5.37***
αARCH0.0887
11.12***
βGARCH0.8985
108.52***

0.987

Persistence

54d

Half-life
σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0249
5.37***
α

ARCH

Response to squared shocks

0.0887
11.12***
β

GARCH

Volatility persistence

0.8985
108.52***

Persistence:

0.987

Half-life:

54 days