Skip to main content
V-Lab
V-Lab

Bitcoin Group SE GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 28th, 2026

1 Day

97.96%

increased by 11.13%

1 Week

90.76%

increased by 3.93%

1 Month

75.47%

decreased by 11.36%

Analysis last updated: Saturday, September 26, 2026 at 09:18 PM UTC

Press Delete or Backspace to remove this series.
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Bitcoin Group SE GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 2, 2019 to Sep 25, 2026

Model Insight

Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 5-day half-life
ParamValuet-stat
ωconst1.8480
3.80***
αARCH0.2317
2.65***
βGARCH0.6176
9.76***
γleverage0.0432
0.26

0.871

Persistence

5d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.8480
3.80***
α

ARCH

Response to squared shocks

0.2317
2.65***
β

GARCH

Volatility persistence

0.6176
9.76***
γ

leverage

Additional response to negative shocks

0.0432
0.26

Persistence:

0.871

Half-life:

5 days