V-Lab
PowerBank Corp GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, August 12th, 2026
1 Day
104.15%
decreased by 14.89%
1 Week
104.65%
decreased by 14.39%
1 Month
106.01%
decreased by 13.03%
Analysis last updated: Tuesday, August 11, 2026 at 10:06 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 8, 2024 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 12 trading days, meaning a shock loses half its impact after approximately 12 days. Returns follow a Student-t distribution with v = 4.23 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 | 46.8095 | 3.13*** |
α ARCH Response to squared shocks | 0.1711 | 11.60*** |
β GARCH Volatility persistence | 0.9423 | 47.57*** |
ν DF Student-t tail thickness | 4.2304 | 5.26*** |
Persistence:
0.942
Half-life:
12 days
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