CBOE IBM Volatility Index Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, April 20th, 2026
1 Day
119.41%
increased by 10.48%
1 Week
132.95%
increased by 24.02%
1 Month
138.68%
increased by 29.75%
Analysis last updated: Monday, April 20, 2026 at 11:39 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.8770 | 9.37 | |
| 0.3795 | 5.61 | |
| 0.1023 | 1.91 | |
| -0.0020 | -2.32 |
Estimation Period:
Jan 7, 2011 to Apr 17, 2026
Jan 7, 2011 to Apr 17, 2026
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