V-Lab
Zhejiang Walrus New Material Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Friday, September 4th, 2026
1 Day
33.50%
decreased by 0.59%
1 Week
34.95%
increased by 0.86%
1 Month
38.09%
increased by 4.00%
Analysis last updated: Friday, September 4, 2026 at 06:27 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 8, 2020 to Aug 28, 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 7 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1772 | 8.70*** |
α ARCH Response to squared shocks | 0.1038 | 3.86*** |
β GARCH Volatility persistence | 0.8066 | 15.57*** |
Spline Coefficients
K=1
| γ1 | 0.0120 | 1.58 |
Persistence:
0.910
Half-life:
7 days
Other Zhejiang Walrus New Material Co Ltd Analyses
Other Zero Slope Spline-GARCH Analyses on International Equities