Hangzhou Radical Energy Saving Technology Co Ltd Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
63.94%
increased by 3.55%
1 Week
62.99%
increased by 2.60%
1 Month
60.52%
increased by 0.13%
Analysis last updated: Tuesday, July 14, 2026 at 06:17 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 9 trading days.
τ
Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8367 | 3.79*** |
α ARCH Response to squared shocks | 0.0851 | 3.62*** |
β GARCH Volatility persistence | 0.8409 | 17.31*** |
Spline Coefficients
K=5
| γ1 | -0.3621 | -1.07 |
| γ2 | 0.8998 | 1.72* |
| γ3 | -1.0687 | -2.99*** |
| γ4 | 1.0267 | 3.43*** |
| γ5 | -1.0636 | -2.09** |
Persistence:
0.926
Half-life:
9 days
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