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V-Lab

Bayer AG GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

23.55%

increased by 1.25%

1 Week

23.80%

increased by 1.50%

1 Month

24.69%

increased by 2.39%

Analysis last updated: Saturday, September 19, 2026 at 08:28 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Bayer AG 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 18, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 207% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 207% more than positive returns
ParamValuet-stat
ωconst0.0514
4.67***
αARCH0.0261
3.82***
βGARCH0.9341
133.10***
γleverage0.0541
3.68***

0.987

Persistence

54d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0514
4.67***
α

ARCH

Response to squared shocks

0.0261
3.82***
β

GARCH

Volatility persistence

0.9341
133.10***
γ

leverage

Additional response to negative shocks

0.0541
3.68***

Persistence:

0.987

Half-life:

54 days