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V-Lab

Johnson & Johnson GARCH Volatility Analysis

Volatility prediction for Wednesday, July 22nd, 2026

1 Day

26.87%

decreased by 1.01%

1 Week

26.78%

decreased by 1.10%

1 Month

26.46%

decreased by 1.42%

Analysis last updated: Tuesday, July 21, 2026 at 09:48 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Johnson & Johnson GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Jul 17, 2026

Model Insight

Volatility shocks decay with a half-life of 59 trading days, meaning a shock loses half its impact after approximately 59 days.

σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0243
22.81***
α

ARCH

Response to squared shocks

0.0808
42.42***
β

GARCH

Volatility persistence

0.9075
434.62***

Persistence:

0.988

Half-life:

59 days