Korea Stock Exchange KOSPI Index Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Friday, July 3rd, 2026
1 Day
67.97%
increased by 10.08%
1 Week
65.92%
increased by 8.03%
1 Month
58.88%
increased by 0.99%
Analysis last updated: Thursday, July 2, 2026 at 09:03 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 1.1505 | 6.08 | |
| 0.0999 | 10.14 | |
| 0.8649 | 70.00 | |
| 0.0113 | 0.36 | |
| 0.0437 | 0.96 | |
| -0.1615 | -5.13 | |
| 0.1860 | 6.27 | |
| -0.1357 | -5.04 | |
| 0.1068 | 3.80 | |
| -0.0526 | -1.82 | |
| -0.0115 | -0.51 |
Estimation Period:
Jan 2, 1990 to Jun 26, 2026
Jan 2, 1990 to Jun 26, 2026
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