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Abbott Laboratories GAS-GARCH Student T Volatility Analysis

Volatility prediction for Friday, October 16th, 2026

1 Day

25.21%

increased by 1.55%

1 Week

25.21%

increased by 1.55%

1 Month

25.19%

increased by 1.53%

Analysis last updated: Thursday, October 15, 2026 at 10:00 PM UTC

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Date Range:

from

10/15/2024

to

10/15/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Abbott Laboratories GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Oct 9, 2026

Model Insight

Volatility shocks decay with a half-life of 61 trading days, meaning a shock loses half its impact after approximately 61 days. Returns follow a Student-t distribution with v = 5.74 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 61-day half-lifev = 5.74 · fat tails
ParamValuet-stat
ωconst2.4805
1.23
αARCH0.0569
6.92***
βGARCH0.9887
96.29***
νDF5.7370
1.55

0.989

Persistence

61d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.4805
1.23
α

ARCH

Response to squared shocks

0.0569
6.92***
β

GARCH

Volatility persistence

0.9887
96.29***
ν

DF

Student-t tail thickness

5.7370
1.55

Persistence:

0.989

Half-life:

61 days