Nanjing Vazyme Biotech Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
69.85%
decreased by 6.19%
1 Week
69.91%
decreased by 6.13%
1 Month
70.11%
decreased by 5.93%
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
Volatility shocks decay with a half-life of 54 trading days, meaning a shock loses half its impact after approximately 54 days. Returns follow a Student-t distribution with v = 4.26 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 20.5788 | 4.25*** |
α ARCH Response to squared shocks | 0.1049 | 30.57*** |
β GARCH Volatility persistence | 0.9873 | 376.10*** |
ν DF Student-t tail thickness | 4.2556 | 11.43*** |
Persistence:
0.987
Half-life:
54 days
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