Costco Wholesale Corp Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:20.83% (0.00%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.3481 | 2.49 | |
| 0.0000 | 0.00 | |
| 0.8851 | 0.57 | |
| -8.9310 | -1.18 | |
| 19.3431 | 1.83 | |
| -13.9065 | -2.56 |
Estimation Period:
Feb 5, 2025 to Feb 6, 2026
Feb 5, 2025 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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