V-Lab
NextBoat Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
55.51%
increased by 0.84%
1 Week
57.33%
increased by 2.66%
1 Month
57.74%
increased by 3.07%
Analysis last updated: Saturday, September 12, 2026 at 02:42 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 13, 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 | 0.6588 | 3.74*** |
| αARCH | 0.1216 | 1.14 |
| βGARCH | 0.0151 | 0.02 |
Spline Coefficients
K=2
| γ1 | -14.6253 | -2.62*** |
| γ2 | 19.4501 | 2.83*** |
0.137
Persistence0d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6588 | 3.74*** |
α ARCH Response to squared shocks | 0.1216 | 1.14 |
β GARCH Volatility persistence | 0.0151 | 0.02 |
Spline Coefficients
K=2
| γ1 | -14.6253 | -2.62*** |
| γ2 | 19.4501 | 2.83*** |
Persistence:
0.137
Half-life:
0 days
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