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V-Lab

Korea Cast Iron Pipe Industries Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

24.53%

increased by 0.60%

1 Week

25.37%

increased by 1.44%

1 Month

28.45%

increased by 4.52%

Analysis last updated: Sunday, August 23, 2026 at 12:09 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Korea Cast Iron Pipe Industries Co Ltd 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 Aug 21, 2026

Model Insight

With persistence 0.997, volatility shocks have a half-life of 201 trading days (~0.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 2.95 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

26.8218
5.88***
α

ARCH

Response to squared shocks

0.1058
142.63***
β

GARCH

Volatility persistence

0.9966
1,776.38***
ν

DF

Student-t tail thickness

2.9495
165.09***

Persistence:

0.997

Half-life:

201 days