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V-Lab

Han Kook Capital Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Thursday, July 30th, 2026

1 Day

36.27%

decreased by 6.75%

1 Week

35.30%

decreased by 7.72%

1 Month

32.82%

decreased by 10.20%

Analysis last updated: Thursday, July 30, 2026 at 07:48 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Han Kook Capital Co Ltd S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 26, 2001 to Jul 24, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 8 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.4081
6.61***
α

ARCH

Response to squared shocks

0.2575
6.18***
β

GARCH

Volatility persistence

0.6608
17.58***
γi Spline Coefficients
K=5
γ10.1846
8.18***
γ2-0.2849
-7.95***
γ30.1682
6.20***
γ4-0.0942
-3.59***
γ50.0341
1.54

Persistence:

0.918

Half-life:

8 days