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V-Lab

Heungkuk Fire & Marine Insurance Co Ltd Spline-GARCH Volatility Analysis

Volatility prediction for Tuesday, August 11th, 2026

1 Day

50.71%

decreased by 0.99%

1 Week

55.59%

increased by 3.89%

1 Month

66.73%

increased by 15.03%

Analysis last updated: Tuesday, August 11, 2026 at 08:41 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Heungkuk Fire & Marine Insurance Co Ltd SGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 1990 to Aug 7, 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 10 trading days.

τ

Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.9324
4.97***
α

ARCH

Response to squared shocks

0.1777
8.87***
β

GARCH

Volatility persistence

0.7552
34.42***
γi Spline Coefficients
K=10
γ10.0159
0.35
γ20.0294
0.46
γ3-0.1301
-2.71***
γ40.1153
2.20**
γ5-0.0765
-1.40
γ60.0804
1.45
γ7-0.0497
-0.82
γ80.1173
1.49
γ9-0.2277
-2.03**
γ100.3156
2.11**

Persistence:

0.933

Half-life:

10 days