Inner Mongolia Shuangxin Environment-Friendly Material Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
63.67%
increased by 15.37%
1 Week
59.02%
increased by 10.72%
1 Month
57.50%
increased by 9.20%
Analysis last updated: Tuesday, July 14, 2026 at 06:14 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 30, 2025 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 1 trading day.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.1943 | 3.58*** |
α ARCH Response to squared shocks | 0.2720 | 1.80* |
β GARCH Volatility persistence | 0.0433 | 0.31 |
Spline Coefficients
K=4
| γ1 | 526.1000 | 5.99*** |
| γ2 | -804.0977 | -5.55*** |
| γ3 | 406.4846 | 3.76*** |
| γ4 | -163.1661 | -2.49** |
Persistence:
0.315
Half-life:
1 days
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