Korea Stock Exchange KOSPI Index Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Thursday, April 30th, 2026
1 Day
27.96%
decreased by 1.53%
1 Week
27.58%
decreased by 1.91%
1 Month
26.40%
decreased by 3.09%
Analysis last updated: Wednesday, April 29, 2026 at 09:12 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 1.1493 | 6.37 | |
| 0.1012 | 9.89 | |
| 0.8585 | 65.71 | |
| 0.0124 | 0.42 | |
| 0.0433 | 0.99 | |
| -0.1635 | -5.48 | |
| 0.1884 | 6.75 | |
| -0.1386 | -5.40 | |
| 0.1096 | 4.06 | |
| -0.0544 | -1.97 | |
| -0.0102 | -0.48 |
Estimation Period:
Jan 2, 1990 to Apr 24, 2026
Jan 2, 1990 to Apr 24, 2026
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