V-Lab
Samhallsbygg I Nor MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
53.08%
decreased by 0.09%
1 Week
56.76%
increased by 3.59%
1 Month
57.27%
increased by 4.10%
Analysis last updated: Saturday, September 19, 2026 at 08:31 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 3, 2023 to Sep 18, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
MF2-GARCH Model
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Leverage: volatility responds almost entirely to negative shocks
| Param | Value | t-stat |
|---|---|---|
| mwindow | 126 | |
| αARCH | 0.0145 | 1.13 |
| βGARCH | 0.0000 | 0.00 |
| γleverage | 0.2954 | 2.57** |
| λ₁tau intercept | 0.0000 | 0.00 |
| λ₂forecast adj. | 0.0000 | 0.00 |
| λ₃tau persistence | 0.9985 | 253.74*** |
0.162
Persistence0d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 126 | |
α ARCH Response to squared shocks | 0.0145 | 1.13 |
β GARCH Volatility persistence | 0.0000 | 0.00 |
γ leverage Additional response to negative shocks | 0.2954 | 2.57** |
λ₁ tau intercept Baseline long-term coefficient | 0.0000 | 0.00 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0000 | 0.00 |
λ₃ tau persistence Long-term factor persistence | 0.9985 | 253.74*** |
Persistence:
0.162
Half-life:
0 days
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