Oslo Stock Exchange All Share Index GARCH Volatility Analysis
Volatility prediction for Friday, October 16th, 2026
1 Day
12.44%
increased by 0.07%
1 Week
12.96%
increased by 0.59%
1 Month
14.57%
increased by 2.20%
Analysis last updated: Friday, October 16, 2026 at 06:03 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Oct 9, 2026Model Insight
Volatility shocks decay with a half-life of 24 trading days, meaning a shock loses half its impact after approximately 24 days.
σ
GARCH Model
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Shock decay: Shocks decay with a 24-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0449 | 5.33*** |
| αARCH | 0.1182 | 10.27*** |
| βGARCH | 0.8529 | 62.65*** |
0.971
Persistence24d
Half-lifeσ
GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0449 | 5.33*** |
α ARCH Response to squared shocks | 0.1182 | 10.27*** |
β GARCH Volatility persistence | 0.8529 | 62.65*** |
Persistence:
0.971
Half-life:
24 days
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