V-Lab
PowerBank Corp GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
85.28%
decreased by 8.19%
1 Week
87.99%
decreased by 5.48%
1 Month
95.11%
increased by 1.64%
Analysis last updated: Friday, July 24, 2026 at 09:58 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 8, 2024 to Jul 24, 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 = 4.12 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 | 45.9981 | 3.04*** |
α ARCH Response to squared shocks | 0.1674 | 11.70*** |
β GARCH Volatility persistence | 0.9425 | 46.28*** |
ν DF Student-t tail thickness | 4.1174 | 5.34*** |
Persistence:
0.943
Half-life:
12 days
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