V-Lab
Nanjing Vazyme Biotech Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
76.44%
increased by 7.82%
1 Week
75.64%
increased by 7.02%
1 Month
72.92%
increased by 4.30%
Analysis last updated: Wednesday, August 5, 2026 at 06:18 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 15, 2021 to Jul 31, 2026Model Insight
Volatility shocks decay with a half-life of 25 trading days, meaning a shock loses half its impact after approximately 25 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3873 | 11.98*** |
α ARCH Response to squared shocks | 0.1477 | 9.86*** |
β GARCH Volatility persistence | 0.8443 | 102.08*** |
γ leverage Additional response to negative shocks | -0.0387 | -1.69* |
Persistence:
0.973
Half-life:
25 days
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