Bitcoin to US Dollar MF2-GARCH Volatility Analysis
Volatility prediction for Monday, October 19th, 2026
1 Day
30.57%
decreased by 1.49%
1 Week
33.80%
increased by 1.74%
1 Month
40.21%
increased by 8.15%
Analysis last updated: Sunday, October 18, 2026 at 06:04 AM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 17, 2010 to Oct 17, 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
MF2-GARCH Model
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Shock decay: Shocks decay with a 5-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.1538 | 6.18*** |
| βGARCH | 0.6865 | 21.47*** |
| γleverage | 0.0799 | 1.84* |
| λ₁tau intercept | 0.0815 | 1.98** |
| λ₂forecast adj. | 0.0282 | 3.55*** |
| λ₃tau persistence | 0.9673 | 102.13*** |
0.880
Persistence5d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.1538 | 6.18*** |
β GARCH Volatility persistence | 0.6865 | 21.47*** |
γ leverage Additional response to negative shocks | 0.0799 | 1.84* |
λ₁ tau intercept Baseline long-term coefficient | 0.0815 | 1.98** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0282 | 3.55*** |
λ₃ tau persistence Long-term factor persistence | 0.9673 | 102.13*** |
Persistence:
0.880
Half-life:
5 days
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