Graham Holdings Co EGARCH Volatility Analysis
Volatility Prediction for Tuesday, February 10th, 2026:29.43% (+3.04%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0213 | 21.92 | |
| 0.1498 | 35.99 | |
| 0.9832 | 1,099.73 | |
| -0.0094 | -2.67 |
Estimation Period:
Jan 1, 1990 to Feb 6, 2026
Jan 1, 1990 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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