V-Lab
Taeyang Corp GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, August 19th, 2026
1 Day
25.34%
decreased by 2.73%
1 Week
26.32%
decreased by 1.75%
1 Month
29.58%
increased by 1.51%
Analysis last updated: Wednesday, August 19, 2026 at 07:48 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 16, 2007 to Aug 14, 2026Model Insight
Volatility shocks decay with a half-life of 41 trading days, meaning a shock loses half its impact after approximately 41 days. Returns follow a Student-t distribution with v = 2.68 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 | 8.6841 | 2.56** |
α ARCH Response to squared shocks | 0.1055 | 42.66*** |
β GARCH Volatility persistence | 0.9833 | 153.61*** |
ν DF Student-t tail thickness | 2.6811 | 34.18*** |
Persistence:
0.983
Half-life:
41 days
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