TOPIX Mid 400 Index GJR-GARCH Volatility Analysis
Volatility prediction for Friday, June 5th, 2026
1 Day
16.88%
increased by 1.12%
1 Week
17.03%
increased by 1.27%
1 Month
17.46%
increased by 1.70%
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 | |
|---|---|---|
| 0.0614 | 27.81 | |
| 0.0320 | 9.07 | |
| 0.8463 | 293.04 | |
| 0.1533 | 18.23 |
Estimation Period:
Jan 4, 1993 to Mar 19, 2026
Jan 4, 1993 to Mar 19, 2026
Other GJR-GARCH Analyses on Equity Indices