Costco Wholesale Corp GAS-GARCH Student T Volatility Analysis
Volatility Prediction for Monday, February 23rd, 2026:23.48% (-0.85%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 4.6709 | 5.05 | |
| 0.0485 | 66.32 | |
| 0.9973 | 1,947.89 | |
| 5.5003 | 17.87 |
Estimation Period:
Jan 2, 1990 to Feb 20, 2026
Jan 2, 1990 to Feb 20, 2026
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