Inner Mongolia Shuangxin Environment-Friendly Material Co Ltd Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
34.05%
unchanged at 0.00%
1 Week
34.05%
unchanged at 0.00%
1 Month
34.05%
unchanged at 0.00%
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.
τ
Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 4.1721 | 3.42*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.0000 | 0.00 |
Spline Coefficients
K=10
| γ1 | 2,534.0830 | 4.20*** |
| γ2 | -3,405.1320 | -3.87*** |
| γ3 | 2,317.6680 | 4.32*** |
| γ4 | -2,428.4770 | -4.55*** |
| γ5 | 325.8488 | 0.60 |
| γ6 | 1,750.0060 | 3.42*** |
| γ7 | -1,685.0660 | -2.48** |
| γ8 | 1,158.5020 | 1.50 |
| γ9 | -1,216.7060 | -1.65* |
| γ10 | 838.8685 | 1.25 |
Persistence:
0.000
Half-life:
-
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