V-Lab
Contemporary Amperex Tech Co Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
43.13%
increased by 2.71%
1 Week
43.96%
increased by 3.54%
1 Month
45.68%
increased by 5.26%
Analysis last updated: Saturday, August 22, 2026 at 08:56 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 20, 2025 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 6 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9245 | 3.55*** |
α ARCH Response to squared shocks | 0.0929 | 2.10** |
β GARCH Volatility persistence | 0.8041 | 7.89*** |
Spline Coefficients
K=1
| γ1 | -0.1278 | -0.34 |
Persistence:
0.897
Half-life:
6 days
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