V-Lab
Wealthfront Corp Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
57.06%
decreased by 45.92%
1 Week
53.85%
decreased by 49.13%
1 Month
53.05%
decreased by 49.93%
Analysis last updated: Friday, September 11, 2026 at 11:37 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 12, 2025 to Sep 11, 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 | 1.2938 | 3.64*** |
| αARCH | 0.1681 | 1.39 |
| βGARCH | 0.0000 | 0.00 |
Spline Coefficients
K=1
| γ1 | 1.2479 | 1.05 |
0.168
Persistence0d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2938 | 3.64*** |
α ARCH Response to squared shocks | 0.1681 | 1.39 |
β GARCH Volatility persistence | 0.0000 | 0.00 |
Spline Coefficients
K=1
| γ1 | 1.2479 | 1.05 |
Persistence:
0.168
Half-life:
0 days
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