V-Lab
GigaDevice Semiconductor Inc GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
106.79%
increased by 1.56%
1 Week
109.20%
increased by 3.97%
1 Month
114.34%
increased by 9.11%
Analysis last updated: Tuesday, August 25, 2026 at 06:47 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 13, 2026 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days. Returns follow a Student-t distribution with v = 59.98 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 | 56.9190 | 15.86*** |
α ARCH Response to squared shocks | 0.0652 | 1.81* |
β GARCH Volatility persistence | 0.9027 | 24.06*** |
ν DF Student-t tail thickness | 59.9753 | 0.04 |
Persistence:
0.903
Half-life:
7 days
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