Costco Wholesale Corp GARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:21.64% (-0.05%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0159 | 10.47 | |
| 0.0389 | 16.57 | |
| 0.9578 | 359.65 |
Estimation Period:
Jan 2, 1990 to Feb 6, 2026
Jan 2, 1990 to Feb 6, 2026
News Impact Curve
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