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
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 2, 2019 to Sep 25, 2026Model 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
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Shock decay: Shocks decay with a 5-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.8480 | 3.80*** |
| αARCH | 0.2317 | 2.65*** |
| βGARCH | 0.6176 | 9.76*** |
| γleverage | 0.0432 | 0.26 |
0.871
Persistence5d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-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
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