International Business Machines Corp APARCH Volatility Analysis
Volatility prediction for Tuesday, April 21st, 2026
1 Day
30.93%
decreased by 2.56%
1 Week
31.14%
decreased by 2.35%
1 Month
31.89%
decreased by 1.60%
Analysis last updated: Monday, April 20, 2026 at 09:45 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0273 | 18.35 | |
| 0.0670 | 30.94 | |
| 0.9305 | 417.81 | |
| 0.4960 | 17.32 | |
| 0.5612 | 18.40 |
Estimation Period:
Jan 2, 1990 to Apr 17, 2026
Jan 2, 1990 to Apr 17, 2026
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