VanEck Solana ETF GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 21st, 2026
1 Day
54.02%
decreased by 1.34%
1 Week
55.78%
increased by 0.42%
1 Month
59.91%
increased by 4.55%
Analysis last updated: Monday, July 20, 2026 at 09:31 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 17, 2025 to Jul 17, 2026Model Insight
Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3153 | 2.99*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.8440 | 31.18*** |
γ leverage Additional response to negative shocks | 0.1565 | 4.02*** |
Persistence:
0.922
Half-life:
9 days
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