OMX Stockholm 30 Index MEM Volatility Analysis
Volatility prediction for Monday, October 19th, 2026
1 Day
12.62%
decreased by 0.50%
1 Week
13.19%
increased by 0.07%
1 Month
15.02%
increased by 1.90%
Analysis last updated: Friday, October 16, 2026 at 04:16 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Oct 16, 2026Model Insight
Volatility shocks decay with a half-life of 34 trading days, meaning a shock loses half its impact after approximately 34 days.
μ
MEM Model
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Shock decay: Shocks decay with a 34-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0425 | 2.54** |
| αARCH | 0.2162 | 12.12*** |
| βGARCH | 0.7637 | 62.21*** |
0.980
Persistence34d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0425 | 2.54** |
α ARCH Response to squared shocks | 0.2162 | 12.12*** |
β GARCH Volatility persistence | 0.7637 | 62.21*** |
Persistence:
0.980
Half-life:
34 days
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