Costco Wholesale Corp AGARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:20.50% (-0.55%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0294 | 7.48 | |
| 0.0643 | 24.30 | |
| 0.9259 | 348.46 | |
| 0.5183 | 8.24 |
Estimation Period:
Jan 2, 1990 to Feb 6, 2026
Jan 2, 1990 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
Other AGARCH Analyses on Equities