V-Lab
Allurion Technologies Inc MF2-GARCH Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Monday, September 14th, 2026
1 Day
148.29%
1 Week
186.13%
1 Month
786.22%
Analysis last updated: Saturday, September 12, 2026 at 09:25 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 5, 2021 to Sep 11, 2026Model Insight
With persistence 1.000, volatility shocks have a half-life of 40773 trading days (~161.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Leverage: volatility responds almost entirely to negative shocks
MF2-GARCH Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| mwindow | 36 | |
| αARCH | 0.0754 | 1.71* |
| βGARCH | 0.6746 | 124.53*** |
| γleverage | 0.5000 | 5.10*** |
| λ₁tau intercept | 9.7661 | 0.85 |
| λ₂forecast adj. | 0.2004 | 0.88 |
| λ₃tau persistence | 0.7996 | 3.55*** |
1.000
Persistence40773d
Half-lifeMF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 36 | |
α ARCH Response to squared shocks | 0.0754 | 1.71* |
β GARCH Volatility persistence | 0.6746 | 124.53*** |
γ leverage Additional response to negative shocks | 0.5000 | 5.10*** |
λ₁ tau intercept Baseline long-term coefficient | 9.7661 | 0.85 |
λ₂ forecast adj. Forecast performance sensitivity | 0.2004 | 0.88 |
λ₃ tau persistence Long-term factor persistence | 0.7996 | 3.55*** |
Persistence:
1.000
Half-life:
40773 days
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