V-Lab
Samhallsbygg I Nor GARCH Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
60.86%
decreased by 0.26%
1 Week
65.96%
increased by 4.84%
1 Month
78.84%
increased by 17.72%
Analysis last updated: Wednesday, September 9, 2026 at 06:41 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 3, 2023 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 13 trading days, meaning a shock loses half its impact after approximately 13 days.
σ
GARCH Model
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Shock decay: Shocks decay with a 13-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2.1091 | 1.37 |
| αARCH | 0.1060 | 1.88* |
| βGARCH | 0.8425 | 12.88*** |
0.948
Persistence13d
Half-lifeσ
GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.1091 | 1.37 |
α ARCH Response to squared shocks | 0.1060 | 1.88* |
β GARCH Volatility persistence | 0.8425 | 12.88*** |
Persistence:
0.948
Half-life:
13 days
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