Skip to main content
V-Lab
V-Lab

Japanese Yen GJR-GARCH Volatility Analysis

Volatility prediction for Friday, October 16th, 2026

1 Day

6.32%

decreased by 0.08%

1 Week

6.35%

decreased by 0.05%

1 Month

6.49%

increased by 0.09%

Analysis last updated: Thursday, October 15, 2026 at 08:02 PM UTC

Press Delete or Backspace to remove this series.
Date Range:

from

10/15/2024

to

10/15/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Japanese Yen GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Oct 11, 2026

Model Insight

With persistence 0.992, volatility shocks have a half-life of 88 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

GJR-GARCH Model

Tap to view equation

High persistence: persistence 0.992, shock half-life ~88 days
ParamValuet-stat
ωconst0.0022
4.75***
αARCH0.0265
4.45***
βGARCH0.9553
205.44***
γleverage0.0208
1.87*

0.992

Persistence

88d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0022
4.75***
α

ARCH

Response to squared shocks

0.0265
4.45***
β

GARCH

Volatility persistence

0.9553
205.44***
γ

leverage

Additional response to negative shocks

0.0208
1.87*

Persistence:

0.992

Half-life:

88 days