Hangzhou Radical Energy Saving Technology Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
73.44%
increased by 3.02%
1 Week
73.94%
increased by 3.52%
1 Month
75.25%
increased by 4.83%
Analysis last updated: Tuesday, July 14, 2026 at 06:18 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 16, 2017 to Jul 10, 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 11 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8403 | 3.65*** |
α ARCH Response to squared shocks | 0.0867 | 3.84*** |
β GARCH Volatility persistence | 0.8499 | 19.60*** |
Spline Coefficients
K=5
| γ1 | -0.3708 | -1.04 |
| γ2 | 0.8948 | 1.62 |
| γ3 | -1.0058 | -2.67*** |
| γ4 | 0.8391 | 3.03*** |
| γ5 | -0.5321 | -3.10*** |
Persistence:
0.937
Half-life:
11 days
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