V-Lab
AnHui Higasket Plastics Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
56.17%
increased by 0.45%
1 Week
57.79%
increased by 2.07%
1 Month
58.26%
increased by 2.54%
Analysis last updated: Saturday, August 22, 2026 at 07:05 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 24, 2022 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 1 trading day.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1915 | 4.78*** |
α ARCH Response to squared shocks | 0.2040 | 3.84*** |
β GARCH Volatility persistence | 0.0907 | 0.74 |
Spline Coefficients
K=6
| γ1 | -2.1421 | -1.44 |
| γ2 | 5.7732 | 2.65*** |
| γ3 | -6.1234 | -4.15*** |
| γ4 | 3.9867 | 2.78*** |
| γ5 | -2.0463 | -1.63 |
| γ6 | 0.3581 | 0.39 |
Persistence:
0.295
Half-life:
1 days
Other AnHui Higasket Plastics Co Ltd Analyses
Other Zero Slope Spline-GARCH Analyses on International Equities