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V-Lab

Namhwa Industrial 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 Monday, August 10th, 2026

1 Day

63.61%

decreased by 5.16%

1 Week

64.17%

decreased by 4.60%

1 Month

66.36%

decreased by 2.41%

Analysis last updated: Saturday, August 8, 2026 at 11:13 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Namhwa Industrial Co Ltd GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 29, 2018 to Aug 7, 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

0.1417
14.25***
α

ARCH

Response to squared shocks

0.1889
20.92***
β

GARCH

Volatility persistence

0.8111
141.38***

Persistence:

1.000

Half-life:

-