V-Lab
NY Harbor ULSD Heating Oil Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Thursday, September 10th, 2026
1 Day
42.78%
increased by 6.21%
1 Week
42.80%
increased by 6.23%
1 Month
42.85%
increased by 6.28%
Analysis last updated: Thursday, September 10, 2026 at 05:16 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 4, 2000 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 26 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 | 1.2283 | 7.01*** |
| αARCH | 0.0975 | 7.14*** |
| βGARCH | 0.8759 | 61.13*** |
Spline Coefficients
K=3
| γ1 | -0.0121 | -1.97** |
| γ2 | 0.0278 | 3.06*** |
| γ3 | -0.0222 | -4.42*** |
0.973
Persistence26d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2283 | 7.01*** |
α ARCH Response to squared shocks | 0.0975 | 7.14*** |
β GARCH Volatility persistence | 0.8759 | 61.13*** |
Spline Coefficients
K=3
| γ1 | -0.0121 | -1.97** |
| γ2 | 0.0278 | 3.06*** |
| γ3 | -0.0222 | -4.42*** |
Persistence:
0.973
Half-life:
26 days
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