Quest Diagnostics Inc GARCH Volatility Analysis
Volatility prediction for Monday, June 15th, 2026
1 Day
24.81%
decreased by 1.02%
1 Week
25.13%
decreased by 0.70%
1 Month
26.11%
increased by 0.28%
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 | |
|---|---|---|
| 0.1155 | 11.30 | |
| 0.0918 | 34.88 | |
| 0.8741 | 196.91 |
Estimation Period:
Dec 18, 1996 to Jun 12, 2026
Dec 18, 1996 to Jun 12, 2026
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