Nikkei Stock Average Volatility Index GJR-GARCH Volatility Analysis
Volatility prediction for Monday, May 18th, 2026
1 Day
105.82%
decreased by 8.19%
1 Week
104.82%
decreased by 9.19%
1 Month
102.30%
decreased by 11.71%
Analysis last updated: Saturday, May 23, 2026 at 01:54 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 2.9365 | 21.54 | |
| 0.1801 | 19.55 | |
| 0.8012 | 125.25 | |
| -0.1150 | -7.80 |
Estimation Period:
Jan 3, 1990 to May 15, 2026
Jan 3, 1990 to May 15, 2026
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