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V-Lab

Zensho Holdings Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

41.44%

decreased by 0.99%

1 Week

40.79%

decreased by 1.64%

1 Month

38.83%

decreased by 3.60%

Analysis last updated: Tuesday, August 25, 2026 at 06:33 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Zensho Holdings Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 21, 2020 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 14 trading days, meaning a shock loses half its impact after approximately 14 days. Returns follow a Student-t distribution with v = 3.74 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

4.5557
4.11***
α

ARCH

Response to squared shocks

0.0914
12.76***
β

GARCH

Volatility persistence

0.9505
71.65***
ν

DF

Student-t tail thickness

3.7434
5.59***

Persistence:

0.951

Half-life:

14 days