V-Lab
Town Centre Securities PLC Spline-GARCH Volatility Analysis
Volatility prediction for Thursday, October 1st, 2026
1 Day
34.94%
decreased by 0.13%
1 Week
38.31%
increased by 3.24%
1 Month
43.14%
increased by 8.07%
Analysis last updated: Thursday, October 1, 2026 at 10:20 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 8, 1990 to Sep 25, 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 4 trading days.
τ
Spline-GARCH Model
Tap to view equation
Time-varying baseline: volatility reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.7868 | 7.84*** |
| αARCH | 0.1437 | 7.57*** |
| βGARCH | 0.6949 | 18.53*** |
Spline Coefficients
K=8
| γ1 | 0.2031 | 5.12*** |
| γ2 | -0.2742 | -4.63*** |
| γ3 | 0.1614 | 4.10*** |
| γ4 | -0.1795 | -5.16*** |
| γ5 | 0.0945 | 2.77*** |
| γ6 | 0.0528 | 1.46 |
| γ7 | -0.1125 | -2.75*** |
| γ8 | 0.1008 | 1.87* |
0.839
Persistence4d
Half-lifeτ
Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.7868 | 7.84*** |
α ARCH Response to squared shocks | 0.1437 | 7.57*** |
β GARCH Volatility persistence | 0.6949 | 18.53*** |
Spline Coefficients
K=8
| γ1 | 0.2031 | 5.12*** |
| γ2 | -0.2742 | -4.63*** |
| γ3 | 0.1614 | 4.10*** |
| γ4 | -0.1795 | -5.16*** |
| γ5 | 0.0945 | 2.77*** |
| γ6 | 0.0528 | 1.46 |
| γ7 | -0.1125 | -2.75*** |
| γ8 | 0.1008 | 1.87* |
Persistence:
0.839
Half-life:
4 days
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