Alphabet Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, April 21st, 2026
1 Day
32.82%
decreased by 0.78%
1 Week
33.08%
decreased by 0.52%
1 Month
33.79%
increased by 0.19%
Analysis last updated: Monday, April 20, 2026 at 09:25 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 1.0917 | 5.96 | |
| 0.0791 | 3.86 | |
| 0.8592 | 24.78 | |
| -0.0181 | -1.48 | |
| 0.0381 | 2.21 | |
| -0.0286 | -3.48 |
Estimation Period:
Aug 19, 2004 to Apr 17, 2026
Aug 19, 2004 to Apr 17, 2026
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