V-Lab
Xexymix Corp GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
57.40%
increased by 2.53%
1 Week
57.11%
increased by 2.24%
1 Month
56.21%
increased by 1.34%
Analysis last updated: Sunday, August 23, 2026 at 12:36 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 13, 2020 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 16 trading days, meaning a shock loses half its impact after approximately 16 days. Returns follow a Student-t distribution with v = 3.10 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 | 11.4331 | 3.19*** |
α ARCH Response to squared shocks | 0.0801 | 13.45*** |
β GARCH Volatility persistence | 0.9578 | 70.85*** |
ν DF Student-t tail thickness | 3.1049 | 7.55*** |
Persistence:
0.958
Half-life:
16 days
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