V-Lab
ZJK Industrial Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
103.36%
decreased by 25.69%
1 Week
97.14%
decreased by 31.91%
1 Month
95.07%
decreased by 33.98%
Analysis last updated: Tuesday, August 25, 2026 at 09:35 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 30, 2024 to Aug 21, 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 | 2.6674 | 2.85*** |
α ARCH Response to squared shocks | 0.1634 | 1.28 |
β GARCH Volatility persistence | 0.1636 | 0.65 |
Spline Coefficients
K=2
| γ1 | 2.7122 | 3.11*** |
| γ2 | -2.8573 | -2.81*** |
Persistence:
0.327
Half-life:
1 days
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