Miami International Hold Inc GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, October 19th, 2026
1 Day
42.85%
decreased by 0.59%
1 Week
42.80%
decreased by 0.64%
1 Month
42.65%
decreased by 0.79%
Analysis last updated: Friday, October 16, 2026 at 11:24 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 14, 2025 to Oct 16, 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 = 12.24 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
Shock decay: Shocks decay with a 12-day half-lifev = 12.24 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωconst | 7.1220 | 0.83 |
| αARCH | 0.0198 | 0.29 |
| βGARCH | 0.9425 | 6.42*** |
| νDF | 12.2378 | 0.01 |
0.942
Persistence12d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 7.1220 | 0.83 |
α ARCH Response to squared shocks | 0.0198 | 0.29 |
β GARCH Volatility persistence | 0.9425 | 6.42*** |
ν DF Student-t tail thickness | 12.2378 | 0.01 |
Persistence:
0.942
Half-life:
12 days
Other Miami International Hold Inc Analyses
Other GAS-GARCH Student T Analyses on Equities