CBOE S&P 500 One-Year Volatility Index MEM Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Friday, April 10th, 2026
1 Day
47.62%
decreased by 6.19%
1 Week
48.86%
decreased by 4.95%
1 Month
53.55%
decreased by 0.26%
Analysis last updated: Friday, April 10, 2026 at 11:31 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.2382 | 5.76 | |
| 0.2856 | 17.98 | |
| 0.7144 | 65.37 |
Estimation Period:
Jun 30, 2017 to Apr 2, 2026
Jun 30, 2017 to Apr 2, 2026
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