G-Shank Enterprise Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
38.14%
decreased by 0.93%
1 Week
38.42%
decreased by 0.65%
1 Month
38.99%
decreased by 0.08%
Analysis last updated: Tuesday, July 14, 2026 at 08:20 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 7, 2001 to Jul 3, 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 6 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.9735 | 8.68*** |
α ARCH Response to squared shocks | 0.1355 | 7.13*** |
β GARCH Volatility persistence | 0.7491 | 22.29*** |
Spline Coefficients
K=8
| γ1 | 0.0978 | 1.95* |
| γ2 | -0.1017 | -1.36 |
| γ3 | -0.0672 | -1.30 |
| γ4 | 0.1891 | 3.18*** |
| γ5 | -0.2824 | -3.58*** |
| γ6 | 0.3948 | 4.06*** |
| γ7 | -0.3521 | -3.86*** |
| γ8 | 0.1258 | 2.14** |
Persistence:
0.885
Half-life:
6 days
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