NPC Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Thursday, May 21st, 2026
1 Day
27.08%
increased by 2.05%
1 Week
27.11%
increased by 2.08%
1 Month
27.18%
increased by 2.15%
Analysis last updated: Thursday, May 21, 2026 at 08:13 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.7835 | 7.29 | |
| 0.1289 | 8.63 | |
| 0.8015 | 37.62 | |
| -0.0635 | -1.61 | |
| 0.1361 | 2.32 | |
| -0.1934 | -4.31 | |
| 0.1590 | 3.24 | |
| 0.0065 | 0.13 | |
| -0.0917 | -1.75 | |
| 0.0267 | 0.40 | |
| 0.1629 | 2.29 | |
| -0.3034 | -4.04 | |
| 0.2243 | 4.38 |
Estimation Period:
Jan 3, 1990 to May 15, 2026
Jan 3, 1990 to May 15, 2026
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