Skip to main content
V-Lab
V-Lab

Abbott Laboratories GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

26.13%

decreased by 0.56%

1 Week

26.14%

decreased by 0.55%

1 Month

26.18%

decreased by 0.51%

Analysis last updated: Monday, September 14, 2026 at 09:41 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Abbott Laboratories GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 11, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 241% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 241% more than positive returns
ParamValuet-stat
ωconst0.0392
4.83***
αARCH0.0235
3.16***
βGARCH0.9342
109.26***
γleverage0.0566
2.85***

0.986

Persistence

49d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0392
4.83***
α

ARCH

Response to squared shocks

0.0235
3.16***
β

GARCH

Volatility persistence

0.9342
109.26***
γ

leverage

Additional response to negative shocks

0.0566
2.85***

Persistence:

0.986

Half-life:

49 days