Quest Diagnostics Inc EGARCH Volatility Analysis
Volatility prediction for Monday, June 15th, 2026
1 Day
23.95%
decreased by 0.75%
1 Week
24.47%
decreased by 0.23%
1 Month
26.33%
increased by 1.63%
Analysis last updated: Friday, June 12, 2026 at 11:56 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0454 | 21.70 | |
| 0.1655 | 41.13 | |
| 0.9716 | 487.73 | |
| -0.0385 | -7.83 |
Estimation Period:
Dec 18, 1996 to Jun 12, 2026
Dec 18, 1996 to Jun 12, 2026
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