V-Lab
Cardinal Infrastructure Group Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 15th, 2026
1 Day
135.80%
unchanged at 0.00%
1 Week
135.80%
unchanged at 0.00%
1 Month
135.80%
unchanged at 0.00%
Analysis last updated: Monday, September 14, 2026 at 09:22 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 10, 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. Short-run deviations decay with a half-life of 2 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 | 0.8947 | 3.04*** |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.7575 | 0.47 |
Spline Coefficients
K=2
| γ1 | 9.5199 | 0.98 |
| γ2 | -14.1518 | -1.07 |
0.758
Persistence2d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8947 | 3.04*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.7575 | 0.47 |
Spline Coefficients
K=2
| γ1 | 9.5199 | 0.98 |
| γ2 | -14.1518 | -1.07 |
Persistence:
0.758
Half-life:
2 days
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