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Han Kook Capital Co Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, October 7th, 2026

1 Day

17.58%

decreased by 0.53%

1 Week

18.98%

increased by 0.87%

1 Month

23.54%

increased by 5.43%

Analysis last updated: Wednesday, October 7, 2026 at 07:59 PM UTC

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Date Range:

from

10/06/2024

to

10/06/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Han Kook Capital Co Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 26, 2001 to Oct 2, 2026

Model Insight

With persistence 0.992, volatility shocks have a half-life of 88 trading days (~0.3 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 0.992, shock half-life ~88 days
ParamValuet-stat
ωconst0.1116
3.60***
αARCH0.1543
3.81***
βGARCH0.8524
33.96***
γleverage-0.0291
-0.57

0.992

Persistence

88d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1116
3.60***
α

ARCH

Response to squared shocks

0.1543
3.81***
β

GARCH

Volatility persistence

0.8524
33.96***
γ

leverage

Additional response to negative shocks

-0.0291
-0.57

Persistence:

0.992

Half-life:

88 days