V-Lab
US Dollar to Japanese Yen MF2-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
11.24%
increased by 3.19%
1 Week
10.45%
increased by 2.40%
1 Month
9.06%
increased by 1.01%
Analysis last updated: Tuesday, September 8, 2026 at 07:11 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 4, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 389% more than equivalent positive returns.
σ
MF2-GARCH Model
Tap to view equation
Leverage: Negative returns increase volatility 389% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.0185 | 1.95* |
| βGARCH | 0.7963 | 23.16*** |
| γleverage | 0.0722 | 4.36*** |
| λ₁tau intercept | 0.0013 | 3.19*** |
| λ₂forecast adj. | 0.0280 | 4.77*** |
| λ₃tau persistence | 0.9670 | 142.92*** |
0.851
Persistence4d
Half-lifeσ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.0185 | 1.95* |
β GARCH Volatility persistence | 0.7963 | 23.16*** |
γ leverage Additional response to negative shocks | 0.0722 | 4.36*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0013 | 3.19*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0280 | 4.77*** |
λ₃ tau persistence Long-term factor persistence | 0.9670 | 142.92*** |
Persistence:
0.851
Half-life:
4 days
Other MF2-GARCH Analyses on Currencies