PMA Graphene Technology Group Inc GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, October 26th, 2026
1 Day
100.39%
decreased by 4.95%
1 Week
123.27%
increased by 17.93%
1 Month
146.83%
increased by 41.49%
Analysis last updated: Friday, October 23, 2026 at 10:32 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 22, 2024 to Oct 23, 2026Model Insight
Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days. Returns follow a Student-t distribution with v = 3.13 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 3-day half-lifev = 3.13 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωlong-run | 106.4533 | 0.88 |
| αscore | 0.2037 | 1.40 |
| βpersistence | 0.7843 | 3.16*** |
| νDF | 3.1284 | 1.05 |
0.784
Persistence3d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω long-run Long-run variance given a price move | 106.4533 | 0.88 |
α score Weight on the scaled score | 0.2037 | 1.40 |
β persistence Volatility persistence | 0.7843 | 3.16*** |
ν DF Student-t tail thickness | 3.1284 | 1.05 |
Persistence:
0.784
Half-life:
3 days
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