Japanese Yen GJR-GARCH Volatility Analysis
Volatility prediction for Monday, November 9th, 2026
1 Day
5.09%
decreased by 0.06%
1 Week
5.15%
increased by 0.00%
1 Month
5.41%
increased by 0.26%
Analysis last updated: Sunday, November 8, 2026 at 01:18 PM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Nov 6, 2026Model Insight
With persistence 0.992, volatility shocks have a half-life of 86 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 ~86 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0022 | 4.77*** |
| αARCH | 0.0273 | 4.54*** |
| βGARCH | 0.9542 | 203.51*** |
| γleverage | 0.0209 | 1.85* |
0.992
Persistence86d
Half-lifeσ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0022 | 4.77*** |
α ARCH Response to squared shocks | 0.0273 | 4.54*** |
β GARCH Volatility persistence | 0.9542 | 203.51*** |
γ leverage Additional response to negative shocks | 0.0209 | 1.85* |
Persistence:
0.992
Half-life:
86 days
Other Japanese Yen Analyses
Other GJR-GARCH Analyses on Currencies