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V-Lab

I-Hwa Industrial Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

172.69%

increased by 38.39%

1 Week

178.76%

increased by 44.46%

1 Month

200.25%

increased by 65.95%

Analysis last updated: Sunday, August 23, 2026 at 02:08 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of I-Hwa Industrial Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 18, 1995 to Aug 21, 2026
Extended Optimization

Model Insight

The estimated Student-t degrees of freedom v = 2.03 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

737.0443
3.81***
α

ARCH

Response to squared shocks

0.1492
188.66***
β

GARCH

Volatility persistence

0.9931
556.06***
ν

DF

Student-t tail thickness

2.0313
3,734.05***

Persistence:

0.993

Half-life:

100 days