Idexx Laboratories (IDXX)
S&P 500 · Nasdaq-100 · Health Care · data since 1991-06-21 · last close 2026-07-24
1d
+0.92%
7d
-4.07%
30d
-0.88%
YTD
-19.54%
1y
-1.03%
Idexx Laboratories (IDXX) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -0.9 | -2.0 | -14.4 | -0.2 | 0.5 | -6.6 | 3.4 | · | · | · | · | · |
| 2025 | 2.1 | 3.6 | -3.9 | 3.0 | 18.6 | 4.5 | -0.4 | 21.1 | -1.3 | -1.5 | 19.6 | -10.1 |
| 2024 | -7.2 | 11.7 | -6.1 | -8.7 | 0.8 | -2.0 | -2.3 | 1.1 | 5.0 | -19.5 | 3.6 | -2.0 |
| 2023 | 17.8 | -1.5 | 5.7 | -1.6 | -5.6 | 8.1 | 10.4 | -7.8 | -14.5 | -8.6 | 16.6 | 19.2 |
| 2022 | -23.0 | 4.9 | 2.8 | -21.3 | -9.0 | -10.4 | 13.8 | -12.9 | -6.3 | 10.4 | 18.4 | -4.2 |
| 2021 | -4.2 | 8.7 | -5.9 | 12.2 | 1.7 | 13.2 | 7.4 | -0.7 | -7.7 | 7.1 | -8.7 | 8.3 |
| 2020 | 3.8 | -6.1 | -4.8 | 14.6 | 11.3 | 6.9 | 20.5 | -1.7 | 0.5 | 8.1 | 8.5 | 8.4 |
| 2019 | 14.4 | -0.8 | 6.0 | 3.8 | 7.7 | 10.2 | 2.4 | 2.7 | -6.2 | 4.8 | -11.7 | 3.8 |
| 2018 | 19.6 | 0.1 | 2.2 | 1.6 | 7.0 | 4.7 | 12.4 | 3.7 | -1.7 | -15.0 | -3.9 | -8.7 |
| 2017 | 4.3 | 18.5 | 6.7 | 8.5 | 0.4 | -4.1 | 3.1 | -6.6 | 0.0 | 6.9 | -5.9 | -0.0 |
| 2016 | -3.8 | 4.3 | 7.0 | 7.7 | 3.8 | 6.0 | 1.0 | 20.1 | 0.0 | -5.0 | 9.8 | -0.3 |
| 2015 | 6.8 | -1.0 | -1.5 | -18.8 | 8.2 | -5.4 | 13.4 | -1.7 | 3.9 | -7.6 | 3.2 | 3.0 |
| 2014 | 7.4 | 10.2 | -3.6 | 4.2 | 1.6 | 4.0 | -6.8 | -0.4 | -5.0 | 20.2 | 5.4 | -0.7 |
| 2013 | 2.6 | -3.3 | 0.3 | -4.8 | -6.3 | 8.8 | 9.3 | -4.3 | 6.2 | 8.2 | -3.4 | 2.1 |
| 2012 | 9.9 | 1.4 | 2.0 | 0.6 | -3.5 | 13.3 | -8.3 | 7.8 | 4.5 | -3.2 | -2.8 | -0.7 |
| 2011 | 3.6 | 8.4 | -0.6 | 5.5 | -3.3 | -1.5 | 6.9 | -3.8 | -13.6 | 4.4 | 4.5 | 2.4 |
| 2010 | -1.8 | 0.6 | 9.0 | 14.9 | -4.4 | -3.7 | -3.5 | -5.9 | 11.7 | -2.9 | 7.1 | 7.8 |
| 2009 | -9.1 | -8.2 | 14.9 | 13.7 | 6.9 | 10.0 | 7.8 | 1.9 | -1.5 | 2.2 | -2.1 | 6.8 |
| 2008 | -3.9 | -1.6 | -11.2 | 8.0 | -5.1 | -3.5 | 9.8 | 5.2 | -2.7 | -35.8 | -12.2 | 16.7 |
| 2007 | 8.2 | 0.4 | 1.7 | 2.9 | -2.1 | 7.2 | 6.0 | 11.5 | -1.9 | 11.1 | -0.6 | -3.1 |
| 2006 | 6.7 | 2.3 | 9.9 | -3.6 | -8.2 | -1.7 | 17.8 | 4.0 | -0.9 | -8.7 | 1.7 | -6.3 |
| 2005 | 6.3 | -4.7 | -2.1 | 4.8 | 1.7 | 8.0 | 1.8 | 0.9 | 4.4 | 4.9 | 2.0 | 0.6 |
| 2004 | 5.8 | 4.3 | 11.4 | 7.7 | 7.3 | -4.3 | -19.9 | -3.3 | 4.2 | -1.8 | 3.5 | 5.8 |
| 2003 | 5.4 | 5.3 | -4.1 | 11.5 | -8.6 | -6.5 | 21.4 | 2.6 | 2.5 | 11.2 | 0.1 | -2.3 |
| 2002 | -10.8 | 2.6 | 2.9 | 6.1 | 11.0 | -18.4 | 13.4 | -0.6 | 6.4 | 11.5 | -9.3 | 4.9 |
| 2001 | 0.8 | 6.2 | -6.9 | 23.6 | 9.7 | 5.0 | -21.9 | -0.9 | -3.4 | 7.8 | 15.1 | -1.7 |
| 2000 | -6.6 | 96.3 | -21.1 | 12.6 | -5.5 | -7.8 | 6.0 | 7.7 | 2.4 | -10.3 | -5.2 | -3.3 |
| 1999 | -3.4 | -13.9 | 7.0 | -5.5 | 12.7 | -8.6 | -15.8 | -13.4 | 1.3 | -12.2 | 22.3 | -12.8 |
| 1998 | -14.1 | 14.6 | 14.7 | 22.9 | 0.6 | 11.8 | -9.6 | -22.2 | 36.4 | -4.5 | 14.0 | 3.5 |
| 1997 | -9.7 | 14.6 | -62.4 | -7.1 | 8.7 | -11.9 | 28.1 | 18.0 | -11.0 | -5.2 | 0.4 | 0.0 |
| 1996 | 6.9 | -4.5 | -12.5 | 6.0 | -2.3 | -9.8 | -1.3 | 0.0 | 16.8 | -13.3 | -10.8 | 2.9 |
| 1995 | -1.4 | 7.0 | 9.2 | 3.6 | 4.7 | 15.6 | 18.3 | 10.2 | 10.0 | 9.4 | 9.2 | 5.6 |
| 1994 | -15.3 | 13.9 | -12.2 | 22.2 | -3.0 | -7.0 | -0.4 | 8.9 | -8.5 | -4.2 | 21.2 | 5.1 |
| 1993 | 3.0 | -3.0 | 7.6 | 0.7 | 11.3 | 0.0 | 13.6 | 0.8 | 8.3 | 3.1 | 3.0 | 22.6 |
| 1992 | 12.4 | -22.5 | 5.8 | 3.7 | 12.9 | -7.3 | 10.7 | -1.5 | 7.2 | 3.9 | 10.7 | 9.6 |
| 1991 | · | · | · | · | · | -4.1 | 0.0 | 13.8 | 8.3 | 48.3 | -24.5 | 11.3 |
| Avg | 0.9 | 4.8 | -1.3 | 4.4 | 2.3 | 0.3 | 4.7 | 1.6 | 1.5 | 0.7 | 2.8 | 2.7 |
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 | +0.9% | +4.8% | -1.3% | +4.4% | +2.4% | +0.3% | +4.7% | +1.6% | +1.5% | +0.7% | +2.8% | +2.7% |
| Win rate | 57%/35 | 63%/35 | 54%/35 | 74%/35 | 63%/35 | 44%/36 | 66%/35 | 51%/35 | 57%/35 | 51%/35 | 63%/35 | 57%/35 |
Win rate = share of positive months / sample size.
Risk & extremes
Max drawdown
-81.4%
Worst peak-to-trough fall on record
Monthly volatility
±11.1%
Std. dev. of monthly returns
Positive months
58%
Share of completed months in the green
Best month
+96.27%
2000-02
Worst month
-62.42%
1997-03
Longest streaks
12▲ / 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 Idexx Laboratories
Idexx Laboratories profits from humanity's stubborn refusal to stay healthy — with price receipts on this site going back to 1991. And the long game: $100 at its first close here (1991) would be about $58,021 today.
Did you know?
- Its best month on record was February 2000 at +96.27%; its worst, March 1997 at -62.42%.
- It has closed April in the green 26 out of 35 times — not a promise, just a suspicious habit.
Trivia for entertainment — the numbers come from our price data; the jokes don't.