V-Lab
Anhui Tatfook Technology Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
35.00%
decreased by 1.45%
1 Week
36.50%
increased by 0.05%
1 Month
41.20%
increased by 4.75%
Analysis last updated: Saturday, September 19, 2026 at 07:55 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 26, 2010 to Sep 18, 2026Model Insight
Volatility shocks decay with a half-life of 29 trading days, meaning a shock loses half its impact after approximately 29 days. Returns follow a Student-t distribution with v = 4.59 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
Shock decay: Shocks decay with a 29-day half-lifev = 4.59 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωconst | 14.0392 | 1.08 |
| αARCH | 0.0778 | 4.69*** |
| βGARCH | 0.9764 | 45.76*** |
| νDF | 4.5913 | 1.43 |
0.976
Persistence29d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 14.0392 | 1.08 |
α ARCH Response to squared shocks | 0.0778 | 4.69*** |
β GARCH Volatility persistence | 0.9764 | 45.76*** |
ν DF Student-t tail thickness | 4.5913 | 1.43 |
Persistence:
0.976
Half-life:
29 days
Other Anhui Tatfook Technology Co Ltd Analyses
Other GAS-GARCH Student T Analyses on International Equities