V-Lab
Invesco Galaxy Solana ETF Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
61.18%
decreased by 4.81%
1 Week
60.34%
decreased by 5.65%
1 Month
58.31%
decreased by 7.68%
Analysis last updated: Wednesday, August 26, 2026 at 02:15 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 15, 2025 to Aug 21, 2026Model Insight
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 8 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3994 | 3.90*** |
α ARCH Response to squared shocks | 0.1305 | 1.80* |
β GARCH Volatility persistence | 0.7833 | 5.57*** |
Spline Coefficients
K=1
| γ1 | 1.7938 | 1.59 |
Persistence:
0.914
Half-life:
8 days
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