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Adagio Medical Holdings Inc GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, October 26th, 2026

1 Day

156.15%

increased by 12.31%

1 Week

156.00%

increased by 12.16%

1 Month

155.40%

increased by 11.56%

Analysis last updated: Friday, October 23, 2026 at 09:30 PM UTC

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Date Range:

from

10/23/2024

to

10/23/2026

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Adagio Medical Holdings Inc GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 26, 2021 to Oct 23, 2026
Boundary Parameters

Model Insight

With persistence 0.999, volatility shocks have a half-life of 693 trading days (~2.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 3.10 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

High persistence: persistence 0.999, shock half-life ~693 daysv = 3.10 · fat tails
ParamValuet-stat
ωlong-run4.8583
1.08
αscore0.1822
14.26***
βpersistence0.9990
1,068.45***
νDF3.1012
29.29***

0.999

Persistence

693d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

long-run

Long-run variance given a price move

4.8583
1.08
α

score

Weight on the scaled score

0.1822
14.26***
β

persistence

Volatility persistence

0.9990
1,068.45***
ν

DF

Student-t tail thickness

3.1012
29.29***

Persistence:

0.999

Half-life:

693 days