V-Lab
Wuxi Honghui New Materials Technology Co., Ltd. Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
47.96%
increased by 11.91%
1 Week
47.44%
increased by 11.39%
1 Month
45.85%
increased by 9.80%
Analysis last updated: Saturday, August 22, 2026 at 07:47 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 29, 2016 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 15 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3086 | 8.18*** |
α ARCH Response to squared shocks | 0.1153 | 5.62*** |
β GARCH Volatility persistence | 0.8398 | 29.81*** |
Spline Coefficients
K=1
| γ1 | 0.0065 | 2.37** |
Persistence:
0.955
Half-life:
15 days
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