TOPIX Mid 400 Index GAS-GARCH Student T Volatility Analysis
Volatility prediction for Friday, June 5th, 2026
1 Day
19.86%
increased by 0.14%
1 Week
19.80%
increased by 0.08%
1 Month
19.59%
decreased by 0.13%
Analysis last updated: Friday, June 5, 2026 at 08:19 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 1.3757 | 14.56 | |
| 0.0826 | 37.95 | |
| 0.9734 | 499.70 | |
| 6.6686 | 7.14 |
Estimation Period:
Jan 4, 1993 to Mar 19, 2026
Jan 4, 1993 to Mar 19, 2026
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