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V-Lab

South Korean Won EGARCH Volatility Analysis

Volatility prediction for Wednesday, September 16th, 2026

1 Day

7.25%

increased by 0.61%

1 Week

7.35%

increased by 0.71%

1 Month

7.73%

increased by 1.09%

Analysis last updated: Tuesday, September 15, 2026 at 07:10 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of South Korean Won EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1998 to Sep 11, 2026

Model Insight

Volatility shocks decay with a half-life of 64 trading days, meaning a shock loses half its impact after approximately 64 days.

σ

EGARCH Model

Tap to view equation

Shock decay: Shocks decay with a 64-day half-life
ParamValuet-stat
ωconst-0.0037
-0.90
αARCH0.1258
7.52***
βGARCH0.9892
421.47***
γleverage0.0191
1.55

0.989

Persistence

64d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

-0.0037
-0.90
α

ARCH

Response to squared shocks

0.1258
7.52***
β

GARCH

Volatility persistence

0.9892
421.47***
γ

leverage

Additional response to negative shocks

0.0191
1.55

Persistence:

0.989

Half-life:

64 days