Costco Wholesale Corp EGARCH Volatility Analysis
Volatility prediction for Wednesday, June 10th, 2026
1 Day
26.16%
decreased by 0.29%
1 Week
26.38%
decreased by 0.07%
1 Month
27.23%
increased by 0.78%
Analysis last updated: Tuesday, June 9, 2026 at 09:18 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0188 | 11.22 | |
| 0.1036 | 18.76 | |
| 0.9896 | 1,169.78 | |
| -0.0348 | -9.11 |
Estimation Period:
Jan 2, 1990 to Jun 5, 2026
Jan 2, 1990 to Jun 5, 2026
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