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Miami International Hold Inc GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

40.34%

increased by 0.13%

1 Week

40.46%

increased by 0.25%

1 Month

40.81%

increased by 0.60%

Analysis last updated: Saturday, September 12, 2026 at 12:18 AM UTC

Date Range:

from

to

6M ·

1Y ·

All

graph of Miami International Hold Inc GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 14, 2025 to Sep 11, 2026

Model Insight

Volatility shocks decay with a half-life of 13 trading days, meaning a shock loses half its impact after approximately 13 days. Returns follow a Student-t distribution with v = 31.31 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 13-day half-lifev = 31.31 · fat tails
ParamValuet-stat
ωconst6.8589
4.70***
αARCH0.0330
0.85
βGARCH0.9487
6.69***
νDF31.3147
0.01

0.949

Persistence

13d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

6.8589
4.70***
α

ARCH

Response to squared shocks

0.0330
0.85
β

GARCH

Volatility persistence

0.9487
6.69***
ν

DF

Student-t tail thickness

31.3147
0.01

Persistence:

0.949

Half-life:

13 days