V-Lab
Tradr 2X Long WDC Daily ETF Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
141.95%
decreased by 2.73%
1 Week
147.70%
increased by 3.02%
1 Month
160.99%
increased by 16.31%
Analysis last updated: Tuesday, September 8, 2026 at 10:23 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 27, 2026 to Sep 4, 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
Time-varying baseline: volatility reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.8874 | 3.76*** |
| αARCH | 0.1002 | 2.12** |
| βGARCH | 0.8214 | 7.84*** |
Spline Coefficients
K=1
| γ1 | -0.5837 | -0.33 |
0.922
Persistence8d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8874 | 3.76*** |
α ARCH Response to squared shocks | 0.1002 | 2.12** |
β GARCH Volatility persistence | 0.8214 | 7.84*** |
Spline Coefficients
K=1
| γ1 | -0.5837 | -0.33 |
Persistence:
0.922
Half-life:
8 days
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