V-Lab
Wimi Hologram Cloud Inc GAS-GARCH Student T Volatility Analysis
Volatility prediction for Thursday, August 27th, 2026
1 Day
77.12%
increased by 2.43%
1 Week
82.46%
increased by 7.77%
1 Month
93.88%
increased by 19.19%
Analysis last updated: Wednesday, August 26, 2026 at 10:33 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 1, 2020 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days. Returns follow a Student-t distribution with v = 3.50 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 | 45.1563 | 4.89*** |
α ARCH Response to squared shocks | 0.1341 | 14.91*** |
β GARCH Volatility persistence | 0.9147 | 48.69*** |
ν DF Student-t tail thickness | 3.4982 | 7.24*** |
Persistence:
0.915
Half-life:
8 days
Other Wimi Hologram Cloud Inc Analyses
Other GAS-GARCH Student T Analyses on Equities