V-Lab
Smith Douglas Homes Corp MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
54.59%
decreased by 0.15%
1 Week
55.40%
increased by 0.66%
1 Month
56.33%
increased by 1.59%
Analysis last updated: Saturday, September 12, 2026 at 12:30 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 11, 2024 to Sep 11, 2026Boundary Parameters
Model Insight
Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 2-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.0222 | 0.43 |
| βGARCH | 0.6573 | 0.38 |
| γleverage | -0.0073 | -0.15 |
| λ₁tau intercept | 10.0000 | 0.30 |
| λ₂forecast adj. | 0.1799 | 0.31 |
| λ₃tau persistence | 0.0599 | 0.02 |
0.676
Persistence2d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.0222 | 0.43 |
β GARCH Volatility persistence | 0.6573 | 0.38 |
γ leverage Additional response to negative shocks | -0.0073 | -0.15 |
λ₁ tau intercept Baseline long-term coefficient | 10.0000 | 0.30 |
λ₂ forecast adj. Forecast performance sensitivity | 0.1799 | 0.31 |
λ₃ tau persistence Long-term factor persistence | 0.0599 | 0.02 |
Persistence:
0.676
Half-life:
2 days
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