V-Lab
Jiangsu Ankura Intelligent Power Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
74.09%
increased by 2.80%
1 Week
73.64%
increased by 2.35%
1 Month
72.87%
increased by 1.58%
Analysis last updated: Saturday, July 25, 2026 at 11:20 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 28, 2017 to Jul 24, 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 | 0.8957 | 3.43*** |
α ARCH Response to squared shocks | 0.1194 | 4.05*** |
β GARCH Volatility persistence | 0.7303 | 12.08*** |
Spline Coefficients
K=5
| γ1 | -0.1641 | -0.50 |
| γ2 | 0.3902 | 0.94 |
| γ3 | -0.6085 | -3.28*** |
| γ4 | 0.8542 | 4.84*** |
| γ5 | -0.7074 | -5.23*** |
Persistence:
0.850
Half-life:
4 days
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