Guan Chong Bhd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Thursday, October 29th, 2026
1 Day
49.28%
increased by 3.20%
1 Week
49.66%
increased by 3.58%
1 Month
50.10%
increased by 4.02%
Analysis last updated: Thursday, October 29, 2026 at 11:50 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 15, 2005 to Oct 23, 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 3 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 | 0.1892 | 6.93*** |
| αARCH | 0.1117 | 4.32*** |
| βGARCH | 0.6543 | 8.05*** |
Spline Coefficients
K=10
| γ1 | -0.7510 | -6.38*** |
| γ2 | 0.9416 | 4.76*** |
| γ3 | -0.5387 | -2.60*** |
| γ4 | 0.7011 | 2.30** |
| γ5 | -0.5395 | -1.75* |
| γ6 | 0.3156 | 1.48 |
| γ7 | -0.2909 | -1.50 |
| γ8 | 0.2594 | 1.77* |
| γ9 | -0.0170 | -0.19 |
| γ10 | -0.1646 | -2.60*** |
0.766
Persistence3d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1892 | 6.93*** |
α ARCH Response to squared shocks | 0.1117 | 4.32*** |
β GARCH Volatility persistence | 0.6543 | 8.05*** |
Spline Coefficients
K=10
| γ1 | -0.7510 | -6.38*** |
| γ2 | 0.9416 | 4.76*** |
| γ3 | -0.5387 | -2.60*** |
| γ4 | 0.7011 | 2.30** |
| γ5 | -0.5395 | -1.75* |
| γ6 | 0.3156 | 1.48 |
| γ7 | -0.2909 | -1.50 |
| γ8 | 0.2594 | 1.77* |
| γ9 | -0.0170 | -0.19 |
| γ10 | -0.1646 | -2.60*** |
Persistence:
0.766
Half-life:
3 days
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