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V-Lab

Heungkuk Fire & Marine Insurance Co Ltd GARCH Volatility Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Volatility prediction for Friday, August 7th, 2026

1 Day

46.24%

decreased by 2.84%

1 Week

46.78%

decreased by 2.30%

1 Month

48.89%

decreased by 0.19%

Analysis last updated: Friday, August 7, 2026 at 07:48 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Heungkuk Fire & Marine Insurance Co Ltd GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 1990 to Jul 31, 2026

Model Insight

Estimated persistence of 1.000 is at or above 1 (non-stationary): volatility shocks do not decay and the long-run variance is undefined, so long-horizon forecasts should be treated with caution.

σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1002
21.98***
α

ARCH

Response to squared shocks

0.1312
37.37***
β

GARCH

Volatility persistence

0.8688
285.04***

Persistence:

1.000

Half-life:

-