Skip to main content
V-Lab
V-Lab

Korea Stock Exchange KOSPI 200 Index MF2-GARCH Volatility Analysis

Volatility prediction for Monday, September 28th, 2026

1 Day

44.19%

decreased by 0.98%

1 Week

45.95%

increased by 0.78%

1 Month

49.70%

increased by 4.53%

Analysis last updated: Friday, September 25, 2026 at 08:56 PM UTC

Press Delete or Backspace to remove this series.
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 Sep 23, 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***
βGARCH0.8309
49.40***
γleverage0.1223
7.64***
λ₁tau intercept0.0028
1.60
λ₂forecast adj.0.0286
4.65***
λ₃tau persistence0.9708
153.55***

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

0.8309
49.40***
γ

leverage

Additional response to negative shocks

0.1223
7.64***
λ₁

tau intercept

Baseline long-term coefficient

0.0028
1.60
λ₂

forecast adj.

Forecast performance sensitivity

0.0286
4.65***
λ₃

tau persistence

Long-term factor persistence

0.9708
153.55***

Persistence:

0.919

Half-life:

8 days