Quest Diagnostics Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, June 15th, 2026
1 Day
24.19%
decreased by 0.90%
1 Week
24.54%
decreased by 0.55%
1 Month
25.67%
increased by 0.58%
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 | |
|---|---|---|
| 0.1090 | 12.55 | |
| 0.0769 | 15.37 | |
| 0.8798 | 213.91 | |
| 0.0232 | 2.09 |
Estimation Period:
Dec 18, 1996 to Jun 12, 2026
Dec 18, 1996 to Jun 12, 2026
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