Skip to main content
V-Lab

South Korean Won GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

8.17%

decreased by 0.24%

1 Week

8.16%

decreased by 0.25%

1 Month

8.13%

decreased by 0.28%

Analysis last updated: Sunday, July 26, 2026 at 01:34 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of South Korean Won GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1998 to Jul 24, 2026

Model Insight

With persistence 0.992, volatility shocks have a half-life of 85 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Inverse leverage: Positive returns increase volatility 49% more than negative returns

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0019
21.36***
α

ARCH

Response to squared shocks

0.0658
19.86***
β

GARCH

Volatility persistence

0.9369
593.72***
γ

leverage

Additional response to negative shocks

-0.0216
-4.83***

Persistence:

0.992

Half-life:

85 days