V-Lab
CME Live Cattle Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
18.27%
decreased by 0.42%
1 Week
18.88%
increased by 0.19%
1 Month
19.25%
increased by 0.56%
Analysis last updated: Saturday, September 12, 2026 at 04:03 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 1, 2001 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. Short-run deviations decay with a half-life of 1 trading day.
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 | 0.4776 | 5.05*** |
| αARCH | 0.1521 | 5.17*** |
| βGARCH | 0.4468 | 6.34*** |
Spline Coefficients
K=9
| γ1 | -0.2964 | -4.06*** |
| γ2 | 0.3407 | 3.06*** |
| γ3 | -0.0308 | -0.41 |
| γ4 | -0.0562 | -0.95 |
| γ5 | 0.1587 | 2.62*** |
| γ6 | -0.2214 | -3.13*** |
| γ7 | 0.0763 | 0.98 |
| γ8 | 0.1308 | 1.69* |
| γ9 | -0.1481 | -2.74*** |
0.599
Persistence1d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.4776 | 5.05*** |
α ARCH Response to squared shocks | 0.1521 | 5.17*** |
β GARCH Volatility persistence | 0.4468 | 6.34*** |
Spline Coefficients
K=9
| γ1 | -0.2964 | -4.06*** |
| γ2 | 0.3407 | 3.06*** |
| γ3 | -0.0308 | -0.41 |
| γ4 | -0.0562 | -0.95 |
| γ5 | 0.1587 | 2.62*** |
| γ6 | -0.2214 | -3.13*** |
| γ7 | 0.0763 | 0.98 |
| γ8 | 0.1308 | 1.69* |
| γ9 | -0.1481 | -2.74*** |
Persistence:
0.599
Half-life:
1 days
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