V-Lab
PowerBank Corp GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
57.52%
decreased by 4.96%
1 Week
65.09%
increased by 2.61%
1 Month
82.23%
increased by 19.75%
Analysis last updated: Friday, August 21, 2026 at 10:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 8, 2024 to Aug 21, 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 = 4.24 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 | 45.0766 | 3.21*** |
α ARCH Response to squared shocks | 0.1765 | 11.51*** |
β GARCH Volatility persistence | 0.9387 | 45.60*** |
ν DF Student-t tail thickness | 4.2404 | 5.27*** |
Persistence:
0.939
Half-life:
11 days
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