V-Lab
PowerBank Corp GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
86.04%
increased by 4.73%
1 Week
88.47%
increased by 7.16%
1 Month
94.72%
increased by 13.41%
Analysis last updated: Friday, September 11, 2026 at 11:18 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 8, 2024 to Sep 11, 2026Model Insight
Volatility shocks decay with a half-life of 11 trading days, meaning a shock loses half its impact after approximately 11 days. Returns follow a Student-t distribution with v = 4.32 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 11-day half-lifev = 4.32 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωconst | 43.7636 | 0.82 |
| αARCH | 0.1720 | 2.78*** |
| βGARCH | 0.9379 | 11.40*** |
| νDF | 4.3221 | 1.23 |
0.938
Persistence11d
Half-life𝑓
GAS-GARCH-T Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 43.7636 | 0.82 |
α ARCH Response to squared shocks | 0.1720 | 2.78*** |
β GARCH Volatility persistence | 0.9379 | 11.40*** |
ν DF Student-t tail thickness | 4.3221 | 1.23 |
Persistence:
0.938
Half-life:
11 days
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