DGX
StockQuest Diagnostics Incorporated
One email when a drop — in price or in valuation — is historically rare for DGX. Otherwise we stay quiet.
Nothing to see here.
Quest Diagnostics Incorporated is at — or within a whisker of — its all-time high. Nothing to measure; go live your life, we're watching.
At All-Time High
Current Drawdown
0.0%
Days in Drawdown
0
Avg Max Drawdown
5.5%
Avg Length
53
Drawdown Severity Score™
0.0
DGX - Price & High Water Mark
DGX - Drawdown Timeline
How to read this chart: Negative values indicate drawdowns from all-time highs. Values closer to 0% mean the stock is near its high water mark.
Valuation vs Its Own History
Data as of August 22, 2026 · updated daily
Where today's valuation sits within DGX's own multi-year range, scored with the same Drawdown Severity Score language as price, measured from its typical level rather than its record high — a higher score means it has rarely been cheaper. This is context, not a recommendation.
Price to Sales
Quest Diagnostics Incorporated has been cheaper on this measure only about 100% of the time in 20 years of daily history.
Price to Sales history
EV to EBITDA
Quest Diagnostics Incorporated has been cheaper on this measure only about 100% of the time in 20 years of daily history.
EV to EBITDA history · log scale
Quest Diagnostics Incorporated (DGX) Analysis: Current Drawdown Insights
Quest Diagnostics Incorporated is currently at or near its all-time high. As of 2026-08-21, the stock is trading at $244.39, which matches its all-time high of $244.39. There is no current drawdown to report.
Based on its full tracked price history, Quest Diagnostics Incorporated typically experiences drawdowns averaging 5.5% in depth, with an average duration of 53 days. Quest Diagnostics Incorporated has gone through 198 total drawdown events in its tracked history. The largest drawdown on record for Quest Diagnostics Incorporated was 49.5%, beginning in 2002. The longest drawdown duration on record was 2041 days.
The Drawdown Severity Score™ for Quest Diagnostics Incorporated currently stands at 0.00. This is our proprietary indicator that shows the relative severity of the current drawdown based on the asset's unique historical patterns. With the stock at all-time highs, there is no drawdown to measure.
Understanding Drawdowns: A drawdown measures how far a stock has fallen from its peak price. Every stock experiences drawdowns: periods when the price declines from all-time highs before recovering. By analyzing Quest Diagnostics Incorporated's historical drawdown patterns, investors can identify when the stock is experiencing a typical market fluctuation versus an unusual decline that is rare by that stock's own historical standards.
📜 Historical Drawdown Events
Showing the most recent and the deepest of 198 tracked pullbacks (64 listed). Each row shows when a drawdown started, how deep it went, and how long recovery took.
| Start Date | End Date | Duration | Max Depth | Start Price | Lowest Price | Recovery Price |
|---|---|---|---|---|---|---|
| 2026-07-02 | 2026-07-07 | 6 days | -1.2% | $216.02 | $213.45 | $217.28 |
| 2026-06-30 | 2026-07-01 | 2 days | -0.3% | $212.64 | $211.95 | $216.02 |
| 2026-03-02 | 2026-06-29 | 119 days | -11.9% | $211.91 | $186.61 | $212.64 |
| 2026-02-25 | 2026-02-26 | 1 day | -0.8% | $209.54 | $207.80 | $211.10 |
| 2026-02-12 | 2026-02-24 | 12 days | -3.3% | $209.32 | $202.41 | $209.54 |
| 2025-11-26 | 2026-02-10 | 77 days | -9.8% | $192.35 | $173.49 | $205.35 |
| 2025-11-24 | 2025-11-25 | 2 days | -0.4% | $191.25 | $190.58 | $192.35 |
| 2025-10-21 | 2025-11-21 | 32 days | -8.2% | $190.41 | $174.78 | $191.25 |
| 2025-10-01 | 2025-10-20 | 20 days | -6.0% | $189.74 | $178.43 | $190.41 |
| 2025-09-29 | 2025-09-30 | 2 days | -0.1% | $188.15 | $188.01 | $189.74 |
| 2025-09-24 | 2025-09-26 | 3 days | -0.8% | $186.14 | $184.57 | $188.15 |
| 2025-08-21 | 2025-09-22 | 33 days | -3.1% | $183.58 | $177.87 | $183.87 |
| 2025-06-17 | 2025-08-19 | 64 days | -8.2% | $180.45 | $165.68 | $182.02 |
| 2025-04-30 | 2025-06-12 | 44 days | -5.0% | $176.91 | $168.11 | $177.44 |
| 2025-03-04 | 2025-04-28 | 55 days | -9.2% | $174.52 | $158.37 | $175.10 |
| 2025-02-26 | 2025-03-03 | 6 days | -2.2% | $173.00 | $169.19 | $174.52 |
| 2025-02-12 | 2025-02-13 | 2 days | -1.5% | $164.63 | $162.09 | $166.40 |
| 2025-02-06 | 2025-02-10 | 5 days | -1.4% | $162.60 | $160.40 | $162.92 |
| 2025-01-31 | 2025-02-05 | 6 days | -1.0% | $161.91 | $160.24 | $162.60 |
| 2024-11-22 | 2025-01-30 | 70 days | -8.0% | $160.85 | $148.06 | $161.91 |
| 2022-01-03 | 2024-11-21 | 1054 days | -28.6% | $159.73 | $114.02 | $160.85 |
| 2021-12-17 | 2021-12-31 | 15 days | -2.8% | $158.69 | $154.22 | $159.73 |
| 2021-12-09 | 2021-12-13 | 5 days | -1.5% | $147.85 | $145.61 | $150.72 |
| 2021-09-09 | 2021-12-06 | 89 days | -10.8% | $145.24 | $129.58 | $145.54 |
| 2021-09-07 | 2021-09-08 | 2 days | -0.2% | $143.25 | $142.98 | $145.24 |
| 2021-08-18 | 2021-08-31 | 14 days | -2.1% | $139.98 | $137.08 | $140.48 |
| 2021-08-11 | 2021-08-16 | 6 days | -0.3% | $136.57 | $136.11 | $139.12 |
| 2021-08-06 | 2021-08-09 | 4 days | -0.5% | $135.40 | $134.76 | $135.95 |
| 2021-05-11 | 2021-07-29 | 80 days | -10.0% | $129.45 | $116.45 | $129.83 |
| 2021-04-23 | 2021-05-04 | 12 days | -1.9% | $122.32 | $120.05 | $124.79 |
| 2021-02-02 | 2021-04-22 | 79 days | -14.0% | $121.42 | $104.38 | $122.32 |
| 2020-08-04 | 2021-01-29 | 179 days | -17.7% | $117.27 | $96.56 | $117.60 |
| 2020-07-23 | 2020-08-03 | 12 days | -4.9% | $117.05 | $111.36 | $117.27 |
| 2020-07-15 | 2020-07-16 | 2 days | -0.4% | $110.69 | $110.26 | $111.56 |
| 2020-06-03 | 2020-07-14 | 42 days | -14.7% | $110.07 | $93.86 | $110.69 |
| 2020-04-28 | 2020-05-28 | 31 days | -7.6% | $104.16 | $96.20 | $106.00 |
| 2020-03-06 | 2020-04-27 | 52 days | -36.6% | $103.06 | $65.34 | $104.16 |
| 2020-02-20 | 2020-03-04 | 14 days | -6.5% | $101.10 | $94.49 | $102.88 |
| 2020-02-18 | 2020-02-19 | 2 days | -0.2% | $100.54 | $100.31 | $101.10 |
| 2020-02-12 | 2020-02-14 | 3 days | -1.1% | $100.09 | $99.02 | $100.54 |
| 2020-01-31 | 2020-02-11 | 12 days | -1.2% | $99.78 | $98.60 | $100.09 |
| 2018-07-20 | 2020-01-30 | 560 days | -30.3% | $99.23 | $69.14 | $99.78 |
| 2018-07-16 | 2018-07-19 | 4 days | -1.2% | $99.19 | $97.97 | $99.23 |
| 2018-06-26 | 2018-07-10 | 15 days | -2.8% | $97.19 | $94.44 | $97.50 |
| 2018-06-12 | 2018-06-22 | 11 days | -1.2% | $95.91 | $94.79 | $96.24 |
| 2017-07-03 | 2018-06-08 | 341 days | -17.5% | $93.73 | $77.30 | $94.25 |
| 2017-06-29 | 2017-06-30 | 2 days | -0.5% | $93.69 | $93.21 | $93.73 |
| 2017-06-27 | 2017-06-28 | 2 days | -0.5% | $92.80 | $92.31 | $93.69 |
| 2017-06-05 | 2017-06-26 | 22 days | -2.5% | $92.71 | $90.42 | $92.80 |
| 2017-05-26 | 2017-05-31 | 6 days | -0.2% | $91.19 | $90.98 | $91.72 |
| 2015-05-26 | 2016-06-02 | 374 days | -23.6% | $64.37 | $49.20 | $64.71 |
| 2013-11-08 | 2014-08-21 | 286 days | -19.8% | $49.90 | $40.02 | $49.99 |
| 2006-09-01 | 2012-04-02 | 2041 days | -36.3% | $46.87 | $29.88 | $47.32 |
| 2005-05-23 | 2006-04-20 | 333 days | -16.0% | $39.39 | $33.10 | $40.18 |
| 2002-05-06 | 2004-12-01 | 941 days | -49.5% | $33.94 | $17.15 | $34.06 |
| 2001-07-02 | 2002-03-12 | 254 days | -34.5% | $26.76 | $17.52 | $27.40 |
| 2000-12-29 | 2001-06-21 | 174 days | -44.8% | $25.58 | $14.13 | $25.74 |
| 2000-10-20 | 2000-12-22 | 64 days | -34.4% | $24.45 | $16.05 | $24.67 |
| 2000-09-07 | 2000-10-16 | 40 days | -24.1% | $23.30 | $17.67 | $23.93 |
| 2000-05-30 | 2000-06-20 | 22 days | -15.7% | $12.67 | $10.68 | $13.31 |
| 1999-09-22 | 1999-10-29 | 38 days | -18.2% | $4.97 | $4.07 | $5.01 |
| 1998-06-10 | 1999-04-13 | 308 days | -36.2% | $4.10 | $2.61 | $4.18 |
| 1997-07-01 | 1998-05-07 | 311 days | -25.8% | $3.68 | $2.73 | $3.68 |
| 1997-02-26 | 1997-05-02 | 65 days | -19.0% | $3.17 | $2.57 | $3.29 |
How to read: Each row shows a complete drawdown from peak to recovery. Red rows = most severe drawdowns (worst 20% or 5x+ average), yellow rows = moderate (2x-5x worse than average).
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Or explore current drawdowns:
Quest Diagnostics Incorporated (DGX) is trading at $244.39 as of Aug 21, 2026. It is at its high of $244.39. The drawdown has lasted 0 days. Severity score: 0.0 (At All-Time High).
DGX Price History and Drawdown Data
Latest price
$244.39
High-water mark
$244.39
Current drawdown
0.0%
Days in drawdown
0
This DGX page is built around daily price history, the latest high-water mark, current drawdown depth, drawdown duration, and comparable historical drawdown events. The chart above provides the price-history context, while the sections below explain how the current move compares with prior Quest Diagnostics Incorporated drawdowns.
What History Says About DGX
Quest Diagnostics Incorporated has dropped 25%+ from its high 10 times in its tracked history. These events lasted an average of 576 days with an average max drop of -35.7%.
| Period | Max Drop | Duration |
|---|---|---|
| May 2002 to Dec 2004 | -49.5% | 941 days |
| Dec 2000 to Jun 2001 | -44.8% | 174 days |
| Mar 2020 to Apr 2020 | -36.6% | 52 days |
| Sep 2006 to Apr 2012 | -36.3% | 2041 days |
| Jun 1998 to Apr 1999 | -36.2% | 308 days |
| Jul 2001 to Mar 2002 | -34.5% | 254 days |
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