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Merck KGaA GJR-GARCH Volatility Analysis

Volatility prediction for Thursday, October 15th, 2026

1 Day

25.28%

increased by 0.89%

1 Week

25.39%

increased by 1.00%

1 Month

25.80%

increased by 1.41%

Analysis last updated: Thursday, October 15, 2026 at 07:04 PM UTC

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Date Range:

from

10/14/2024

to

10/14/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Merck KGaA GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 20, 1995 to Oct 9, 2026

Model Insight

Volatility shocks decay with a half-life of 52 trading days, meaning a shock loses half its impact after approximately 52 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 52-day half-life
ParamValuet-stat
ωconst0.0452
3.94***
αARCH0.0256
4.00***
βGARCH0.9522
147.12***
γleverage0.0177
1.40

0.987

Persistence

52d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0452
3.94***
α

ARCH

Response to squared shocks

0.0256
4.00***
β

GARCH

Volatility persistence

0.9522
147.12***
γ

leverage

Additional response to negative shocks

0.0177
1.40

Persistence:

0.987

Half-life:

52 days