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V-Lab

Akita Bank Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

43.60%

decreased by 3.14%

1 Week

42.68%

decreased by 4.06%

1 Month

39.81%

decreased by 6.93%

Analysis last updated: Tuesday, August 25, 2026 at 07:34 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Akita Bank Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 4, 1990 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 15 trading days, meaning a shock loses half its impact after approximately 15 days. Returns follow a Student-t distribution with v = 4.97 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.8565
12.79***
α

ARCH

Response to squared shocks

0.0884
26.27***
β

GARCH

Volatility persistence

0.9557
264.37***
ν

DF

Student-t tail thickness

4.9704
8.62***

Persistence:

0.956

Half-life:

15 days