V-Lab
Shanghai Urban Architecture Design Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
40.82%
increased by 2.97%
1 Week
41.96%
increased by 4.11%
1 Month
44.23%
increased by 6.38%
Analysis last updated: Tuesday, August 25, 2026 at 06:23 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 20, 2021 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days. Returns follow a Student-t distribution with v = 2.64 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 | 8.5311 | 3.67*** |
α ARCH Response to squared shocks | 0.1470 | 12.54*** |
β GARCH Volatility persistence | 0.8914 | 31.72*** |
ν DF Student-t tail thickness | 2.6414 | 11.96*** |
Persistence:
0.891
Half-life:
6 days
Other Shanghai Urban Architecture Design Co Ltd Analyses
Other GAS-GARCH Student T Analyses on International Equities