V-Lab
Inno Laser Technology Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, September 15th, 2026
1 Day
114.52%
increased by 23.99%
1 Week
113.44%
increased by 22.91%
1 Month
109.62%
increased by 19.09%
Analysis last updated: Wednesday, September 16, 2026 at 05:11 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 6, 2021 to Sep 14, 2026Model Insight
Volatility shocks decay with a half-life of 31 trading days, meaning a shock loses half its impact after approximately 31 days. Returns follow a Student-t distribution with v = 4.04 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
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Shock decay: Shocks decay with a 31-day half-lifev = 4.04 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωconst | 29.6244 | 0.85 |
| αARCH | 0.1215 | 5.72*** |
| βGARCH | 0.9777 | 39.22*** |
| νDF | 4.0384 | 2.45** |
0.978
Persistence31d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 29.6244 | 0.85 |
α ARCH Response to squared shocks | 0.1215 | 5.72*** |
β GARCH Volatility persistence | 0.9777 | 39.22*** |
ν DF Student-t tail thickness | 4.0384 | 2.45** |
Persistence:
0.978
Half-life:
31 days
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