Pinnacle West Capital Corp GARCH Volatility Analysis
Volatility prediction for Wednesday, June 17th, 2026
1 Day
19.43%
decreased by 0.59%
1 Week
19.57%
decreased by 0.45%
1 Month
20.06%
increased by 0.04%
Analysis last updated: Tuesday, June 16, 2026 at 10:16 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0298 | 19.42 | |
| 0.0799 | 37.63 | |
| 0.9073 | 406.68 |
Estimation Period:
Jan 2, 1990 to Jun 12, 2026
Jan 2, 1990 to Jun 12, 2026
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