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V-Lab

Nitta Corp GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 10th, 2026

1 Day

40.20%

increased by 3.46%

1 Week

40.11%

increased by 3.37%

1 Month

39.80%

increased by 3.06%

Analysis last updated: Saturday, August 8, 2026 at 11:28 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Nitta Corp GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 20, 1995 to Aug 7, 2026

Model Insight

Volatility shocks decay with a half-life of 47 trading days, meaning a shock loses half its impact after approximately 47 days. Returns follow a Student-t distribution with v = 4.23 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

5.4789
5.11***
α

ARCH

Response to squared shocks

0.0713
32.95***
β

GARCH

Volatility persistence

0.9852
336.14***
ν

DF

Student-t tail thickness

4.2312
12.18***

Persistence:

0.985

Half-life:

47 days