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Kajima Corp GAS-GARCH Student T Volatility Analysis

Volatility prediction for Thursday, September 24th, 2026

1 Day

35.63%

increased by 0.07%

1 Week

35.65%

increased by 0.09%

1 Month

35.73%

increased by 0.17%

Analysis last updated: Saturday, September 19, 2026 at 11:20 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Kajima Corp GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 1990 to Sep 18, 2026

Model Insight

Volatility shocks decay with a half-life of 49 trading days, meaning a shock loses half its impact after approximately 49 days. Returns follow a Student-t distribution with v = 5.21 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 49-day half-lifev = 5.21 · fat tails
ParamValuet-stat
ωconst5.2582
1.30
αARCH0.0617
6.78***
βGARCH0.9860
81.55***
νDF5.2087
1.80*

0.986

Persistence

49d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.2582
1.30
α

ARCH

Response to squared shocks

0.0617
6.78***
β

GARCH

Volatility persistence

0.9860
81.55***
ν

DF

Student-t tail thickness

5.2087
1.80*

Persistence:

0.986

Half-life:

49 days