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V-Lab

South Korean Won Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 19th, 2026

1 Day

7.31%

decreased by 0.16%

1 Week

7.45%

decreased by 0.02%

1 Month

7.91%

increased by 0.44%

Analysis last updated: Tuesday, August 18, 2026 at 07:42 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of South Korean Won S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1998 to Aug 14, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 31 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.9290
3.37***
α

ARCH

Response to squared shocks

0.0615
7.46***
β

GARCH

Volatility persistence

0.9164
101.10***
γi Spline Coefficients
K=8
γ10.0913
3.01***
γ2-0.1205
-2.59***
γ30.0696
1.91*
γ4-0.1039
-3.33***
γ50.1274
4.68***
γ6-0.1010
-4.24***
γ70.0625
2.57**
γ8-0.0406
-2.09**

Persistence:

0.978

Half-life:

31 days