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ThyssenKrupp AG GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

41.95%

increased by 0.23%

1 Week

41.96%

increased by 0.24%

1 Month

41.96%

increased by 0.24%

Analysis last updated: Saturday, September 19, 2026 at 08:13 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of ThyssenKrupp 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

With persistence 0.994, volatility shocks have a half-life of 125 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 102% more than positive returns

σ

GJR-GARCH Model

Tap to view equation

High persistence: persistence 0.994, shock half-life ~125 daysLeverage: Negative returns increase volatility 102% more than positive returns
ParamValuet-stat
ωconst0.0390
2.79***
αARCH0.0305
3.95***
βGARCH0.9484
145.66***
γleverage0.0311
2.22**

0.994

Persistence

125d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0390
2.79***
α

ARCH

Response to squared shocks

0.0305
3.95***
β

GARCH

Volatility persistence

0.9484
145.66***
γ

leverage

Additional response to negative shocks

0.0311
2.22**

Persistence:

0.994

Half-life:

125 days