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V-Lab

Korea Stock Exchange KOSPI 200 Index MF2-GARCH Volatility Analysis

Volatility prediction for Friday, September 4th, 2026

1 Day

57.29%

decreased by 2.53%

1 Week

57.93%

decreased by 1.89%

1 Month

59.46%

decreased by 0.36%

Analysis last updated: Friday, September 4, 2026 at 11:27 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Korea Stock Exchange KOSPI 200 Index MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 1990 to Aug 27, 2026

Model Insight

This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.

σ

MF2-GARCH Model

Tap to view equation

Leverage: volatility responds almost entirely to negative shocks
ParamValuet-stat
mwindow21
αARCH0.0255
2.78***
βGARCH0.8281
47.93***
γleverage0.1239
7.66***
λ₁tau intercept0.0029
1.59
λ₂forecast adj.0.0306
4.76***
λ₃tau persistence0.9689
148.23***

0.916

Persistence

8d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

21
α

ARCH

Response to squared shocks

0.0255
2.78***
β

GARCH

Volatility persistence

0.8281
47.93***
γ

leverage

Additional response to negative shocks

0.1239
7.66***
λ₁

tau intercept

Baseline long-term coefficient

0.0029
1.59
λ₂

forecast adj.

Forecast performance sensitivity

0.0306
4.76***
λ₃

tau persistence

Long-term factor persistence

0.9689
148.23***

Persistence:

0.916

Half-life:

8 days