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V-Lab

Akita Bank Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

38.81%

decreased by 1.48%

1 Week

38.20%

decreased by 2.09%

1 Month

36.33%

decreased by 3.96%

Analysis last updated: Wednesday, August 5, 2026 at 07:47 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 Jul 31, 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

3.8420
12.98***
α

ARCH

Response to squared shocks

0.0889
26.21***
β

GARCH

Volatility persistence

0.9547
262.36***
ν

DF

Student-t tail thickness

4.9710
8.61***

Persistence:

0.955

Half-life:

15 days