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Pusan Cast Iron Co Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Thursday, June 5th, 2025

1 Day

0.00%

unchanged at 0.00%

1 Week

0.00%

unchanged at 0.00%

1 Month

0.00%

unchanged at 0.00%

Analysis last updated: Tuesday, September 1, 2026 at 07:39 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Pusan Cast Iron Co Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 1990 to Jun 4, 2025
Hessian SE

Model Insight

With persistence 1.000, volatility shocks have a half-life of 1658 trading days (~6.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

GJR-GARCH Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~1658 days
ParamValuet-stat
ωconst0.0000
0.00
αARCH1.0013
βGARCH0.2910
γleverage-0.5854

1.000

Persistence

1658d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0000
0.00
α

ARCH

Response to squared shocks

1.0013
β

GARCH

Volatility persistence

0.2910
γ

leverage

Additional response to negative shocks

-0.5854

Persistence:

1.000

Half-life:

1658 days