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Ito Yogyo Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

2,240,589.92%

increased by 113,415.34%

1 Week

2,160,935.36%

increased by 33,760.78%

1 Month

1,886,559.41%

decreased by 240,615.17%

Analysis last updated: Saturday, August 22, 2026 at 11:08 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Ito Yogyo Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 15, 2000 to Aug 21, 2026
Boundary Parameters

Model Insight

The estimated Student-t degrees of freedom v = 2.00 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.4160
5.64***
α

ARCH

Response to squared shocks

0.1350
39.41***
β

GARCH

Volatility persistence

0.9638
233.08***
ν

DF

Student-t tail thickness

2.0000
9,345.79***

Persistence:

0.964

Half-life:

19 days