Premarket trading runs 4:00 AM – 9:30 AM ET.
DGX last traded at $229.07 in premarket, down $2.02 (0.87%) from its previous close of $231.09.
📅 DGX is expected to report earnings around Oct 20, 2026 before the open (estimated), with an estimated EPS of $2.87. DGX earnings details →
Over the past 5 years, DGX has had 2 qualifying gap events (gaps of 5% or more at the open) — 1 gap-up and 1 gap-down. Gap-ups averaged +8.7%, 0% have fully filled. Gap-downs averaged -6.7%, 0% have fully filled. Most recent: a -6.7% gap down 12 days ago, still unfilled. DGX has 1 unfilled gap from the past 60 days — a -6.7% gap down on Sep 22, 2026, currently 62% retraced. Average 20-trading-day return after a DGX gap up: +5.79%.
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 100% | 100% | 100% | 100% |
| fills 50% | 0% | 0% | 0% | 0% |
| fills 75% | 0% | 0% | 0% | 0% |
| fills 100% | 0% | 0% | 0% | 0% |
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 100% | 100% | 100% | 100% |
| fills 50% | 100% | 100% | 100% | 100% |
| fills 75% | 0% | 0% | 0% | 0% |
| fills 100% | 0% | 0% | 0% | 0% |
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 12 days ago | $244.88 | -6.65% | Open | 1d | — | 53% | 62% | 62% | 62% |
| 2026-07-23 | $209.83 | +8.70% | Open | — | — | 44% | 44% | 44% | 44% |
Quest Diagnostics (DGX) is trading at $229.07 in premarket, down $2.02 (0.87%) from the previous close of $231.09.
Quest Diagnostics (DGX) is down 0.87% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest DGX premarket headlines and gap history below for the likely catalyst.
Premarket trading for DGX on the NYSE runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.
Over the past 5 years, 0% of DGX gap-ups have fully filled and 0% of gap-downs have filled.
Yes. DGX has 1 unfilled gap from the past 60 days. The largest is a -6.7% gap down from Sep 22, 2026 and is currently 62% retraced.
DGX is expected to report earnings around Oct 20, 2026 before the open (estimated), with an estimated EPS of $2.87. Quest Diagnostics is estimated to report Q3 2026 earnings on October 20, 2026, before the market opens. While major calendars like MarketBeat and Zacks align with this date, the company has not yet issued an official press release confirming it.