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V-Lab

Hwacom Systems Inc GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

116.01%

increased by 19.32%

1 Week

114.78%

increased by 18.09%

1 Month

110.19%

increased by 13.50%

Analysis last updated: Sunday, July 26, 2026 at 06:18 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

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10Y ·

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graph of Hwacom Systems Inc GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 12, 2006 to Jul 24, 2026

Model Insight

Volatility shocks decay with a half-life of 44 trading days, meaning a shock loses half its impact after approximately 44 days. Returns follow a Student-t distribution with v = 2.55 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

16.3709
2.67***
α

ARCH

Response to squared shocks

0.1031
50.32***
β

GARCH

Volatility persistence

0.9845
167.37***
ν

DF

Student-t tail thickness

2.5471
51.08***

Persistence:

0.984

Half-life:

44 days