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Korea Stock Exchange KOSPI 200 Index MF2-GARCH Volatility Analysis

Volatility prediction for Friday, October 30th, 2026

1 Day

53.63%

decreased by 2.23%

1 Week

53.88%

decreased by 1.98%

1 Month

54.83%

decreased by 1.03%

Analysis last updated: Friday, October 30, 2026 at 06:37 PM UTC

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Date Range:

from

10/29/2024

to

10/29/2026

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 Oct 22, 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
αARCH0.0268
2.93***
βGARCH0.8307
49.61***
γleverage0.1227
7.68***
λ₁tau intercept0.0028
1.60
λ₂forecast adj.0.0285
4.67***
λ₃tau persistence0.9709
154.60***

0.919

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

0.0268
2.93***
β

GARCH

Volatility persistence

0.8307
49.61***
γ

leverage

Additional response to negative shocks

0.1227
7.68***
λ₁

tau intercept

Baseline long-term coefficient

0.0028
1.60
λ₂

forecast adj.

Forecast performance sensitivity

0.0285
4.67***
λ₃

tau persistence

Long-term factor persistence

0.9709
154.60***

Persistence:

0.919

Half-life:

8 days