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KOSPI 200 Volatility Index GARCH Volatility Analysis

Volatility prediction for Friday, October 16th, 2026

1 Day

185.93%

increased by 48.49%

1 Week

169.14%

increased by 31.70%

1 Month

132.05%

decreased by 5.39%

Analysis last updated: Friday, October 16, 2026 at 11:50 PM UTC

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Date Range:

from

10/15/2024

to

10/15/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of KOSPI 200 Volatility Index GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 2003 to Oct 8, 2026

Model Insight

Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days.

σ

GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 5-day half-life
ParamValuet-stat
ωconst4.1968
4.89***
αARCH0.1858
6.69***
βGARCH0.6856
15.89***

0.871

Persistence

5d

Half-life
σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.1968
4.89***
α

ARCH

Response to squared shocks

0.1858
6.69***
β

GARCH

Volatility persistence

0.6856
15.89***

Persistence:

0.871

Half-life:

5 days