Strong H Machinery Technology Cayman Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
21.39%
increased by 0.55%
1 Week
21.78%
increased by 0.94%
1 Month
22.03%
increased by 1.19%
Analysis last updated: Tuesday, July 14, 2026 at 08:16 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 9, 2016 to Jul 3, 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 | 2.7630 | 5.00*** |
α ARCH Response to squared shocks | 0.2304 | 4.45*** |
β GARCH Volatility persistence | 0.3665 | 3.59*** |
Spline Coefficients
K=10
| γ1 | 3.6317 | 4.21*** |
| γ2 | -6.1346 | -4.01*** |
| γ3 | 4.3042 | 2.66*** |
| γ4 | -2.1852 | -1.24 |
| γ5 | -0.8704 | -0.52 |
| γ6 | 2.4982 | 1.76* |
| γ7 | -0.8779 | -0.52 |
| γ8 | -0.1050 | -0.07 |
| γ9 | -1.1614 | -0.81 |
| γ10 | 1.1121 | 1.03 |
Persistence:
0.597
Half-life:
1 days
Other Strong H Machinery Technology Cayman Inc Analyses
Other Zero Slope Spline-GARCH Analyses on International Equities