Korea Stock Exchange KOSPI Index Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, April 8th, 2026
1 Day
51.82%
decreased by 3.69%
1 Week
50.21%
decreased by 5.30%
1 Month
44.81%
decreased by 10.70%
Analysis last updated: Tuesday, April 7, 2026 at 09:02 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 1.1502 | 6.32 | |
| 0.1008 | 9.89 | |
| 0.8597 | 65.94 | |
| 0.0114 | 0.38 | |
| 0.0455 | 1.03 | |
| -0.1657 | -5.49 | |
| 0.1899 | 6.73 | |
| -0.1393 | -5.35 | |
| 0.1094 | 4.00 | |
| -0.0532 | -1.91 | |
| -0.0114 | -0.53 |
Estimation Period:
Jan 2, 1990 to Apr 3, 2026
Jan 2, 1990 to Apr 3, 2026
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