V-Lab
Guangdong Tianyu Semiconductor Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
29.70%
unchanged at 0.00%
1 Week
29.70%
unchanged at 0.00%
1 Month
29.70%
unchanged at 0.00%
Analysis last updated: Friday, September 11, 2026 at 07:19 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 5, 2025 to Sep 4, 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 | 1.0560 | 2.21** |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.0000 | 0.00 |
Spline Coefficients
K=4
| γ1 | -41.1287 | -0.94 |
| γ2 | 109.0636 | 1.88* |
| γ3 | -144.3252 | -4.49*** |
| γ4 | 112.1480 | 4.66*** |
0.000
Persistence-
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0560 | 2.21** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.0000 | 0.00 |
Spline Coefficients
K=4
| γ1 | -41.1287 | -0.94 |
| γ2 | 109.0636 | 1.88* |
| γ3 | -144.3252 | -4.49*** |
| γ4 | 112.1480 | 4.66*** |
Persistence:
0.000
Half-life:
-
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