Miami International Hold Inc EGARCH Volatility Analysis
Volatility prediction for Monday, October 19th, 2026
1 Day
41.11%
decreased by 3.75%
1 Week
41.86%
decreased by 3.00%
1 Month
42.14%
decreased by 2.72%
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 1 trading day, meaning a shock loses half its impact after approximately 1 day.
σ
EGARCH Model
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Shock decay: Shocks decay with a 1-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.1935 | 0.72 |
| αARCH | 0.1477 | 0.89 |
| βGARCH | 0.3900 | 0.46 |
| γleverage | 0.0386 | 0.29 |
0.390
Persistence1d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1935 | 0.72 |
α ARCH Response to squared shocks | 0.1477 | 0.89 |
β GARCH Volatility persistence | 0.3900 | 0.46 |
γ leverage Additional response to negative shocks | 0.0386 | 0.29 |
Persistence:
0.390
Half-life:
1 days
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