V-Lab
Wang & LEE Group Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
1,508.97%
unchanged at 0.00%
1 Week
1,940.78%
increased by 431.81%
1 Month
2,224.09%
increased by 715.12%
Analysis last updated: Wednesday, August 26, 2026 at 10:01 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 20, 2023 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 2 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5816 | 1.92* |
α ARCH Response to squared shocks | 0.4548 | 1.97** |
β GARCH Volatility persistence | 0.2128 | 1.24 |
Spline Coefficients
K=10
| γ1 | 21.5255 | 1.34 |
| γ2 | -24.6836 | -1.16 |
| γ3 | -7.1061 | -0.59 |
| γ4 | 23.4310 | 1.47 |
| γ5 | -7.2809 | -0.30 |
| γ6 | -21.0989 | -0.69 |
| γ7 | 26.1640 | 1.19 |
| γ8 | -32.6452 | -2.39** |
| γ9 | 55.1534 | 2.40** |
| γ10 | -50.4231 | -2.61*** |
Persistence:
0.668
Half-life:
2 days
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