Costco Wholesale Corp EGARCH Volatility Analysis
Volatility Prediction for Tuesday, February 17th, 2026:23.26% (+0.24%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0190 | 11.22 | |
| 0.1043 | 18.67 | |
| 0.9895 | 1,157.32 | |
| -0.0353 | -9.18 |
Estimation Period:
Jan 2, 1990 to Feb 13, 2026
Jan 2, 1990 to Feb 13, 2026
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