V-Lab
Wealthfront Corp Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, October 5th, 2026
1 Day
50.88%
increased by 4.51%
1 Week
50.59%
increased by 4.22%
1 Month
50.52%
increased by 4.15%
Analysis last updated: Friday, October 2, 2026 at 11:10 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 12, 2025 to Oct 2, 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.
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 | 1.3288 | 3.91*** |
| αARCH | 0.1570 | 1.32 |
| βGARCH | 0.0000 | 0.00 |
Spline Coefficients
K=1
| γ1 | 1.1872 | 1.26 |
0.157
Persistence0d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3288 | 3.91*** |
α ARCH Response to squared shocks | 0.1570 | 1.32 |
β GARCH Volatility persistence | 0.0000 | 0.00 |
Spline Coefficients
K=1
| γ1 | 1.1872 | 1.26 |
Persistence:
0.157
Half-life:
0 days
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