Grayscale Bitcoin Miners ETF GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 21st, 2026
1 Day
76.29%
decreased by 4.97%
1 Week
75.08%
decreased by 6.18%
1 Month
72.98%
decreased by 8.28%
Analysis last updated: Monday, July 20, 2026 at 09:45 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 30, 2025 to Jul 17, 2026Model Insight
Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.0181 | 7.96*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.7662 | 31.59*** |
γ leverage Additional response to negative shocks | 0.1698 | 4.20*** |
Persistence:
0.851
Half-life:
4 days
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