V-Lab
Guangdong Tianyu Semiconductor Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 15th, 2026
1 Day
44.41%
unchanged at 0.00%
1 Week
44.41%
unchanged at 0.00%
1 Month
44.41%
unchanged at 0.00%
Analysis last updated: Wednesday, September 16, 2026 at 07:25 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 5, 2025 to Sep 14, 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.
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 | 1.4414 | 2.50** |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.0000 | 0.00 |
Spline Coefficients
K=6
| γ1 | 108.7519 | 1.08 |
| γ2 | -204.0836 | -1.43 |
| γ3 | 267.0052 | 2.83*** |
| γ4 | -355.8432 | -3.85*** |
| γ5 | 267.5268 | 3.23*** |
| γ6 | -88.0200 | -1.53 |
0.000
Persistence-
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.4414 | 2.50** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.0000 | 0.00 |
Spline Coefficients
K=6
| γ1 | 108.7519 | 1.08 |
| γ2 | -204.0836 | -1.43 |
| γ3 | 267.0052 | 2.83*** |
| γ4 | -355.8432 | -3.85*** |
| γ5 | 267.5268 | 3.23*** |
| γ6 | -88.0200 | -1.53 |
Persistence:
0.000
Half-life:
-
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