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V-Lab

Johnson & Johnson EGARCH Volatility Analysis

Volatility prediction for Tuesday, September 8th, 2026

1 Day

22.55%

increased by 0.64%

1 Week

22.59%

increased by 0.68%

1 Month

22.71%

increased by 0.80%

Analysis last updated: Friday, September 4, 2026 at 10:58 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Johnson & Johnson EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 4, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 112% more than equivalent positive returns.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0175
3.21***
α

ARCH

Response to squared shocks

0.1616
11.87***
β

GARCH

Volatility persistence

0.9773
278.76***
γ

leverage

Additional response to negative shocks

-0.0579
-4.64***

Persistence:

0.977

Half-life:

30 days