Tokyo Stock Exchange Tokyo Stock Price Index TOPIX MF2-GARCH Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Friday, June 12th, 2026
1 Day
0.00%
decreased by 20.67%
Analysis last updated: Friday, June 12, 2026 at 06:15 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 41 | ||
| 1.0000 | 9,999,900.00 | |
| 0.0000 | 100.00 | |
| 0.0000 | 0.00 | |
| 1.5342 | 35.67 | |
| 0.2307 | 19.51 | |
| 0.0000 | 0.00 |
Estimation Period:
Jan 2, 1990 to Jun 5, 2026
Jan 2, 1990 to Jun 5, 2026
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