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HeidelbergCement AG GJR-GARCH Volatility Analysis

Volatility prediction for Monday, October 26th, 2026

1 Day

26.41%

decreased by 0.35%

1 Week

26.74%

decreased by 0.02%

1 Month

27.93%

increased by 1.17%

Analysis last updated: Sunday, October 25, 2026 at 02:58 AM UTC

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Date Range:

from

10/23/2024

to

10/23/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of HeidelbergCement 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 Oct 23, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 184% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 184% more than positive returns
ParamValuet-stat
ωconst0.0738
4.37***
αARCH0.0392
4.58***
βGARCH0.9109
98.77***
γleverage0.0723
3.13***

0.986

Persistence

50d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0738
4.37***
α

ARCH

Response to squared shocks

0.0392
4.58***
β

GARCH

Volatility persistence

0.9109
98.77***
γ

leverage

Additional response to negative shocks

0.0723
3.13***

Persistence:

0.986

Half-life:

50 days