Stef SA APARCH Volatility Analysis
Volatility Prediction for Monday, February 23rd, 2026:23.53% (-0.68%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.1801 | 21.61 | |
| 0.1538 | 30.15 | |
| 0.7798 | 96.99 | |
| 0.1767 | 6.63 | |
| 0.9003 | 22.07 |
Estimation Period:
Jun 29, 1998 to Feb 20, 2026
Jun 29, 1998 to Feb 20, 2026
News Impact Curve
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