V-Lab
NextBoat Inc Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
46.41%
increased by 7.60%
1 Week
42.20%
increased by 3.39%
1 Month
41.21%
increased by 2.40%
Analysis last updated: Tuesday, September 8, 2026 at 10:57 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 13, 2025 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.
τ
Spline-GARCH Model
Tap to view equation
Time-varying baseline: volatility reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.7814 | 5.17*** |
| αARCH | 0.1126 | 1.07 |
| βGARCH | 0.0000 | 0.00 |
Spline Coefficients
K=1
| γ1 | -6.3295 | -2.46** |
0.113
Persistence0d
Half-lifeτ
Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7814 | 5.17*** |
α ARCH Response to squared shocks | 0.1126 | 1.07 |
β GARCH Volatility persistence | 0.0000 | 0.00 |
Spline Coefficients
K=1
| γ1 | -6.3295 | -2.46** |
Persistence:
0.113
Half-life:
0 days
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