V-Lab
Jiangsu Kangliyuan Sports Tech Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
42.61%
decreased by 3.75%
1 Week
44.37%
decreased by 1.99%
1 Month
47.12%
increased by 0.76%
Analysis last updated: Saturday, August 22, 2026 at 07:54 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 14, 2023 to Aug 21, 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
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.4281 | 4.43*** |
α ARCH Response to squared shocks | 0.2310 | 2.38** |
β GARCH Volatility persistence | 0.6147 | 3.86*** |
Spline Coefficients
K=6
| γ1 | 8.8022 | 2.48** |
| γ2 | -12.3738 | -1.97** |
| γ3 | 8.3862 | 1.32 |
| γ4 | -13.7594 | -1.97** |
| γ5 | 16.3979 | 2.66*** |
| γ6 | -9.6827 | -2.72*** |
Persistence:
0.846
Half-life:
4 days
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