Quest Diagnostics (DGX)
S&P 500 · Health Care · data since 1996-12-17 · last close 2026-07-24
1d
-0.02%
7d
+8.15%
30d
+12.64%
YTD
+33.02%
1y
+34.88%
Quest Diagnostics (DGX) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 8.3 | 13.3 | -7.5 | -0.5 | 0.4 | 8.8 | 7.9 | · | · | · | · | · |
| 2025 | 8.6 | 6.0 | -2.1 | 5.8 | -2.7 | 3.6 | -6.4 | 8.5 | 4.9 | -7.3 | 7.5 | -8.3 |
| 2024 | -6.4 | -2.8 | 6.6 | 4.4 | 2.7 | -3.6 | 4.5 | 10.3 | -1.1 | 0.2 | 5.1 | -7.3 |
| 2023 | -4.7 | -6.8 | 2.3 | -1.4 | -4.4 | 6.0 | -3.3 | -2.7 | -7.3 | 7.4 | 5.5 | 0.5 |
| 2022 | -21.6 | -2.8 | 4.3 | -1.7 | 5.4 | -5.7 | 3.2 | -8.2 | -2.1 | 17.7 | 5.7 | 3.0 |
| 2021 | 8.9 | -10.5 | 11.0 | 3.3 | -0.2 | 0.2 | 8.0 | 7.8 | -4.9 | 1.4 | 1.3 | 16.4 |
| 2020 | 4.2 | -4.2 | -24.3 | 38.2 | 7.4 | -3.6 | 12.0 | -12.5 | 2.9 | 7.2 | 1.5 | -3.9 |
| 2019 | 5.6 | -0.9 | 3.9 | 7.8 | -0.5 | 6.2 | 0.8 | 0.3 | 4.5 | -4.9 | 5.2 | 0.2 |
| 2018 | 7.9 | -2.6 | -2.7 | 1.4 | 5.3 | 3.2 | -1.6 | 2.1 | -1.9 | -12.4 | -5.9 | -6.0 |
| 2017 | 0.5 | 6.0 | 0.8 | 8.0 | 3.1 | 2.2 | -2.2 | 0.0 | -13.6 | 0.6 | 5.0 | 0.0 |
| 2016 | -7.2 | 1.3 | 7.4 | 5.8 | 2.7 | 5.5 | 6.6 | -4.1 | 2.7 | -3.8 | 7.4 | 5.1 |
| 2015 | 6.5 | -1.3 | 9.6 | -6.6 | 5.3 | -3.6 | 2.3 | -8.1 | -9.3 | 11.2 | 0.5 | 4.1 |
| 2014 | -1.4 | 0.9 | 9.3 | -2.9 | 7.1 | -2.0 | 4.7 | 3.5 | -4.0 | 5.2 | 2.9 | 2.7 |
| 2013 | -0.0 | -3.1 | 1.1 | -0.2 | 9.8 | -1.5 | -3.8 | 0.5 | 5.9 | -3.0 | 1.7 | -12.1 |
| 2012 | 0.3 | -0.1 | 5.6 | -5.7 | -1.4 | 5.6 | -2.5 | 3.5 | 5.2 | -9.0 | 0.1 | 0.8 |
| 2011 | 5.7 | -0.3 | 1.7 | -2.1 | 3.6 | 1.3 | -8.6 | -7.3 | -1.4 | 13.3 | 5.1 | -1.0 |
| 2010 | -7.7 | 1.9 | 2.7 | -1.8 | -7.7 | -5.7 | -5.4 | -7.4 | 16.3 | -2.6 | 0.4 | 9.4 |
| 2009 | -4.7 | -7.1 | 3.6 | 8.3 | 1.7 | 8.1 | -3.0 | -1.2 | -3.1 | 7.2 | 3.6 | 4.2 |
| 2008 | -6.8 | -3.1 | -5.0 | 11.1 | 0.5 | -3.9 | 9.9 | 1.7 | -4.4 | -9.3 | -0.5 | 11.5 |
| 2007 | -0.8 | -2.8 | -2.2 | -1.8 | 0.3 | 5.4 | 7.6 | -1.3 | 5.5 | -7.8 | 3.5 | -3.9 |
| 2006 | -3.8 | 7.0 | -3.0 | 8.8 | 0.0 | 7.5 | 0.5 | 6.9 | -4.8 | -18.5 | 6.9 | -0.3 |
| 2005 | -0.1 | 4.3 | 5.8 | 0.8 | -0.8 | 1.5 | -3.5 | -2.6 | 1.1 | -7.4 | 7.2 | 2.8 |
| 2004 | 16.5 | -2.5 | -0.1 | 2.0 | 2.1 | -1.4 | -3.2 | 4.3 | 3.1 | -0.6 | 7.1 | 1.9 |
| 2003 | -5.5 | -1.9 | 13.1 | 0.1 | 6.0 | 0.7 | -6.3 | 0.4 | 1.1 | 11.6 | 7.9 | 0.2 |
| 2002 | -3.4 | 2.3 | 16.8 | 10.9 | -4.9 | -1.6 | -29.8 | -7.2 | 9.8 | 3.7 | -12.6 | 2.0 |
| 2001 | -27.1 | 1.8 | -15.7 | 38.6 | 0.3 | 21.1 | -7.7 | -9.3 | -1.5 | 6.0 | -5.5 | 16.1 |
| 2000 | 11.3 | 0.9 | 15.8 | 46.4 | 15.4 | 11.4 | 35.0 | 22.6 | -7.3 | -16.1 | 16.8 | 26.4 |
| 1999 | 6.3 | 12.9 | 4.1 | 2.8 | 11.8 | 7.1 | -5.9 | 2.7 | -1.6 | 7.7 | 8.7 | 0.4 |
| 1998 | -1.5 | -7.5 | 9.3 | 14.5 | 12.7 | 0.9 | -6.3 | -18.9 | -0.8 | 0.8 | 7.5 | -0.3 |
| 1997 | 4.1 | 7.1 | -11.8 | 18.5 | 5.0 | 11.2 | -15.5 | 7.5 | -9.4 | -1.5 | -2.3 | 3.5 |
| 1996 | · | · | · | · | · | · | · | · | · | · | · | 8.0 |
| Avg | -0.3 | 0.2 | 2.0 | 7.1 | 2.9 | 2.8 | -0.4 | -0.3 | -0.5 | -0.1 | 3.4 | 2.5 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
Seasonality — average by calendar month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | -0.3% | +0.2% | +2.0% | +7.1% | +2.9% | +2.8% | -0.7% | -0.3% | -0.5% | -0.1% | +3.4% | +2.5% |
| Win rate | 47%/30 | 43%/30 | 67%/30 | 67%/30 | 73%/30 | 67%/30 | 41%/29 | 55%/29 | 41%/29 | 52%/29 | 83%/29 | 70%/30 |
Win rate = share of positive months / sample size.
Risk & extremes
Max drawdown
-49.5%
Worst peak-to-trough fall on record
Monthly volatility
±8.4%
Std. dev. of monthly returns
Positive months
59%
Share of completed months in the green
Best month
+46.38%
2000-04
Worst month
-29.82%
2002-07
Longest streaks
11▲ / 5▼
Consecutive up / down months
Drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
About Quest Diagnostics
Quest Diagnostics profits from humanity's stubborn refusal to stay healthy — with price receipts on this site going back to 1996. And the long game: $100 at its first close here (1996) would be about $7,904 today.
Did you know?
- Its best month on record was April 2000 at +46.38%; its worst, July 2002 at -29.82%.
- It has closed November in the green 24 out of 29 times — past performance, future shrug.
Trivia for entertainment — the numbers come from our price data; the jokes don't.