V-Lab
Semilux International Ltd -Redh GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
11,531.95%
decreased by 3,254.87%
1 Week
11,497.48%
decreased by 3,289.34%
1 Month
11,361.32%
decreased by 3,425.50%
Analysis last updated: Saturday, September 19, 2026 at 09:25 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 28, 2022 to Sep 18, 2026Extended Optimization
Model Insight
The estimated Student-t degrees of freedom v = 2.00 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.
𝑓
GAS-GARCH-T Model
Tap to view equation
Unreliable tails: v = 2.00 sits at the infinite-variance boundary
| Param | Value | t-stat |
|---|---|---|
| ωconst | 223.0719 | 2.52** |
| αARCH | 0.1556 | 20.34*** |
| βGARCH | 0.9970 | 840.65*** |
| νDF | 2.0016 |
0.997
Persistence231d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 223.0719 | 2.52** |
α ARCH Response to squared shocks | 0.1556 | 20.34*** |
β GARCH Volatility persistence | 0.9970 | 840.65*** |
ν DF Student-t tail thickness | 2.0016 |
Persistence:
0.997
Half-life:
231 days
Other Semilux International Ltd -Redh Analyses
Other GAS-GARCH Student T Analyses on Equities