V-Lab
GCM Corp Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, October 5th, 2026
1 Day
96.34%
decreased by 1.26%
1 Week
97.00%
decreased by 0.60%
1 Month
98.64%
increased by 1.04%
Analysis last updated: Saturday, October 3, 2026 at 06:10 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 15, 2007 to Oct 2, 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 9 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 | 1.1532 | 6.02*** |
| αARCH | 0.0444 | 3.64*** |
| βGARCH | 0.8802 | 21.73*** |
Spline Coefficients
K=10
| γ1 | 0.3140 | 0.85 |
| γ2 | -0.1286 | -0.22 |
| γ3 | -0.7040 | -1.75* |
| γ4 | 1.0646 | 2.88*** |
| γ5 | -0.6041 | -1.19 |
| γ6 | -0.4419 | -0.65 |
| γ7 | 0.9505 | 1.79* |
| γ8 | -0.2455 | -0.66 |
| γ9 | -0.8696 | -1.90* |
| γ10 | 1.0057 | 2.87*** |
0.925
Persistence9d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1532 | 6.02*** |
α ARCH Response to squared shocks | 0.0444 | 3.64*** |
β GARCH Volatility persistence | 0.8802 | 21.73*** |
Spline Coefficients
K=10
| γ1 | 0.3140 | 0.85 |
| γ2 | -0.1286 | -0.22 |
| γ3 | -0.7040 | -1.75* |
| γ4 | 1.0646 | 2.88*** |
| γ5 | -0.6041 | -1.19 |
| γ6 | -0.4419 | -0.65 |
| γ7 | 0.9505 | 1.79* |
| γ8 | -0.2455 | -0.66 |
| γ9 | -0.8696 | -1.90* |
| γ10 | 1.0057 | 2.87*** |
Persistence:
0.925
Half-life:
9 days
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