V-Lab
iShares Bitcoin Trust ETF MF2-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
33.80%
decreased by 0.50%
1 Week
34.51%
increased by 0.21%
1 Month
36.50%
increased by 2.20%
Analysis last updated: Friday, July 24, 2026 at 09:53 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 15, 2024 to Jul 24, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 101 | |
α ARCH Response to squared shocks | 0.0000 | 0.01 |
β GARCH Volatility persistence | 0.8652 | 123.72*** |
γ leverage Additional response to negative shocks | 0.1402 | 19.65*** |
λ₁ tau intercept Baseline long-term coefficient | 1.8575 | 1.86* |
λ₂ forecast adj. Forecast performance sensitivity | 0.0984 | 2.26** |
λ₃ tau persistence Long-term factor persistence | 0.6106 | 3.13*** |
Persistence:
0.935
Half-life:
10 days
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