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 Friday, October 16th, 2026
1 Day
323.39%
1 Week
386.69%
1 Month
1,531.64%
Analysis last updated: Friday, October 16, 2026 at 09:10 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 5, 2021 to Oct 9, 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
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| Param | Value | t-stat |
|---|---|---|
| mwindow | 36 | |
| αARCH | 0.0750 | 1.71* |
| βGARCH | 0.6749 | 125.59*** |
| γleverage | 0.5000 | 5.13*** |
| λ₁tau intercept | 9.8337 | 0.83 |
| λ₂forecast adj. | 0.1993 | 0.87 |
| λ₃tau persistence | 0.8007 | 3.55*** |
1.000
Persistence40773d
Half-lifeMF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 36 | |
α ARCH Response to squared shocks | 0.0750 | 1.71* |
β GARCH Volatility persistence | 0.6749 | 125.59*** |
γ leverage Additional response to negative shocks | 0.5000 | 5.13*** |
λ₁ tau intercept Baseline long-term coefficient | 9.8337 | 0.83 |
λ₂ forecast adj. Forecast performance sensitivity | 0.1993 | 0.87 |
λ₃ tau persistence Long-term factor persistence | 0.8007 | 3.55*** |
Persistence:
1.000
Half-life:
40773 days
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