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V-Lab
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%

decreased by 24.75%

1 Week

186.13%

increased by 13.09%

1 Month

786.22%

increased by 613.18%

Analysis last updated: Saturday, September 12, 2026 at 09:25 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Allurion Technologies Inc MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 5, 2021 to Sep 11, 2026
Boundary Parameters

Model 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

σ

MF2-GARCH Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~40773 daysLeverage: volatility responds almost entirely to negative shocks
ParamValuet-stat
mwindow36
αARCH0.0754
1.71*
βGARCH0.6746
124.53***
γleverage0.5000
5.10***
λ₁tau intercept9.7661
0.85
λ₂forecast adj.0.2004
0.88
λ₃tau persistence0.7996
3.55***

1.000

Persistence

40773d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-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