Nanjing Vazyme Biotech Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
57.84%
decreased by 5.31%
1 Week
56.10%
decreased by 7.05%
1 Month
51.36%
decreased by 11.79%
Analysis last updated: Tuesday, July 14, 2026 at 06:09 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 15, 2021 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. Short-run deviations decay with a half-life of 9 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.4894 | 5.84*** |
α ARCH Response to squared shocks | 0.1347 | 3.13*** |
β GARCH Volatility persistence | 0.7944 | 13.69*** |
Spline Coefficients
K=1
| γ1 | 0.0460 | 2.40** |
Persistence:
0.929
Half-life:
9 days
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