DXCM
$78.56-0.01%
as of close, Oct 27, 2026
☾ AH $78.56 -0.01%
DexCom Inc. monthly returns
DexCom Inc. has averaged 2.43% per month, positive in 55% of months. Month-by-month returns for DexCom Inc. (DXCM) below, through October 27, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+2.4%
250 months
Best month
+86.0%
Apr 2008
Worst month
-55.8%
Nov 2008
Positive months
55%
of all months
DexCom Inc. monthly returns#
| Month | Path | Total return |
|---|---|---|
| Oct 2026 | -9.0% | |
| Sep 2026 | -5.2% | |
| Aug 2026 | +9.1% | |
| Jul 2026 | +21.8% | |
| Jun 2026 | -7.1% | |
| May 2026 | +23.8% | |
| Apr 2026 | -5.2% | |
| Mar 2026 | -14.5% | |
| Feb 2026 | +0.5% | |
| Jan 2026 | +10.0% | |
| Dec 2025 | +4.6% | |
| Nov 2025 | +9.0% | |
| Oct 2025 | -13.5% | |
| Sep 2025 | -10.7% | |
| Aug 2025 | -6.7% | |
| Jul 2025 | -7.5% | |
| Jun 2025 | +1.7% | |
| May 2025 | +20.2% | |
| Apr 2025 | +4.5% | |
| Mar 2025 | -22.7% | |
| Feb 2025 | +1.8% | |
| Jan 2025 | +11.6% | |
| Dec 2024 | -0.3% | |
| Nov 2024 | +10.7% | |
| Oct 2024 | +5.1% | |
| Sep 2024 | -3.3% | |
| Aug 2024 | +2.2% | |
| Jul 2024 | -40.2% | |
| Jun 2024 | -4.5% | |
| May 2024 | -6.8% | |
| Apr 2024 | -8.2% | |
| Mar 2024 | +20.5% | |
| Feb 2024 | -5.2% | |
| Jan 2024 | -2.2% | |
| Dec 2023 | +7.4% | |
| Nov 2023 | +30.0% | |
| Oct 2023 | -4.8% | |
| Sep 2023 | -7.6% | |
| Aug 2023 | -18.9% | |
| Jul 2023 | -3.1% | |
| Jun 2023 | +9.6% | |
| May 2023 | -3.4% | |
| Apr 2023 | +4.4% | |
| Mar 2023 | +4.7% | |
| Feb 2023 | +3.7% | |
| Jan 2023 | -5.4% | |
| Dec 2022 | -2.6% | |
| Nov 2022 | -3.7% | |
| Oct 2022 | +50.0% | |
| Sep 2022 | -2.0% | |
| Aug 2022 | +0.2% | |
| Jul 2022 | +10.1% | |
| Jun 2022 | +0.1% | |
| May 2022 | -27.1% | |
| Apr 2022 | -20.1% | |
| Mar 2022 | +23.6% | |
| Feb 2022 | -3.8% | |
| Jan 2022 | -19.8% | |
| Dec 2021 | -4.6% | |
| Nov 2021 | -9.7% | |
| Oct 2021 | +14.0% | |
| Sep 2021 | +3.3% | |
| Aug 2021 | +2.7% | |
| Jul 2021 | +20.7% | |
| Jun 2021 | +15.6% | |
| May 2021 | -4.3% | |
| Apr 2021 | +7.4% | |
| Mar 2021 | -9.7% | |
| Feb 2021 | +6.1% | |
| Jan 2021 | +1.4% | |
| Dec 2020 | +15.7% | |
| Nov 2020 | +0.0% | |
| Oct 2020 | -22.5% | |
| Sep 2020 | -3.1% | |
| Aug 2020 | -2.3% | |
| Jul 2020 | +7.4% | |
| Jun 2020 | +7.2% | |
| May 2020 | +12.9% | |
| Apr 2020 | +24.5% | |
| Mar 2020 | -2.4% | |
| Feb 2020 | +14.6% | |
| Jan 2020 | +10.1% | |
| Dec 2019 | -3.8% | |
| Nov 2019 | +47.4% | |
| Oct 2019 | +3.4% | |
| Sep 2019 | -13.0% | |
| Aug 2019 | +9.4% | |
| Jul 2019 | +4.7% | |
| Jun 2019 | +23.5% | |
| May 2019 | +0.2% | |
| Apr 2019 | +1.7% | |
| Mar 2019 | -14.5% | |
| Feb 2019 | -1.2% | |
| Jan 2019 | +17.7% | |
| Dec 2018 | -7.6% | |
| Nov 2018 | -2.4% | |
| Oct 2018 | -7.2% | |
| Sep 2018 | -0.9% | |
| Aug 2018 | +51.8% | |
| Jul 2018 | +0.2% | |
| Jun 2018 | +7.9% | |
| May 2018 | +20.2% | |
| Apr 2018 | -1.3% | |
| Mar 2018 | +32.1% | |
| Feb 2018 | -3.5% | |
| Jan 2018 | +1.4% | |
| Dec 2017 | -1.8% | |
| Nov 2017 | +29.9% | |
| Oct 2017 | -8.1% | |
| Sep 2017 | -34.4% | |
| Aug 2017 | +12.0% | |
| Jul 2017 | -8.9% | |
| Jun 2017 | +9.4% | |
| May 2017 | -14.3% | |
| Apr 2017 | -8.0% | |
| Mar 2017 | +8.4% | |
| Feb 2017 | -1.3% | |
| Jan 2017 | +32.6% | |
| Dec 2016 | -8.6% | |
| Nov 2016 | -16.6% |
Monthly total return (since Nov 2021)#
-40%-20%0%20%40%
Nov 2021-9.7%
Dec 2021-4.6%
Jan 2022-20%2022
Feb 2022-3.8%
Mar 2022+24%
Apr 2022-20%
May 2022-27%
Jun 2022+0.06%
Jul 2022+10%
Aug 2022+0.16%
Sep 2022-2.0%
Oct 2022+50%
Nov 2022-3.7%
Dec 2022-2.6%
Jan 2023-5.4%2023
Feb 2023+3.7%
Mar 2023+4.7%
Apr 2023+4.4%
May 2023-3.4%
Jun 2023+9.6%
Jul 2023-3.1%
Aug 2023-19%
Sep 2023-7.6%
Oct 2023-4.8%
Nov 2023+30%
Dec 2023+7.4%
Jan 2024-2.2%2024
Feb 2024-5.2%
Mar 2024+21%
Apr 2024-8.2%
May 2024-6.8%
Jun 2024-4.5%
Jul 2024-40%
Aug 2024+2.2%
Sep 2024-3.3%
Oct 2024+5.1%
Nov 2024+11%
Dec 2024-0.28%
Jan 2025+12%2025
Feb 2025+1.8%
Mar 2025-23%
Apr 2025+4.5%
May 2025+20%
Jun 2025+1.7%
Jul 2025-7.5%
Aug 2025-6.7%
Sep 2025-11%
Oct 2025-13%
Nov 2025+9.0%
Dec 2025+4.6%
Jan 2026+10%2026
Feb 2026+0.53%
Mar 2026-14%
Apr 2026-5.2%
May 2026+24%
Jun 2026-7.1%
Jul 2026+22%
Aug 2026+9.1%
Sep 2026-5.2%
Oct 2026-9.0%
DexCom Inc. returns by calendar month#
Every month of every year since 2006, one tick per year on a shared scale; the dark bar is the month's average. Total returns, dividends reinvested.
October 2026 so far: -8.96% — 13th of 21 Octobers since 2006 at the last close; the average October returned -3.9%.
| Month | −90%0+90% | Average | Median | Up | Best | Worst |
|---|---|---|---|---|---|---|
| Jan | +6.8% | +10.0% | 71% | +32.6% 2017 | -19.8% 2022 | |
| Feb | +0.6% | -1.2% | 43% | +25.4% 2009 | -12.4% 2008 | |
| Mar | +0.9% | +2.6% | 57% | +32.1% 2018 | -43.8% 2008 | |
| Apr | +5.4% | +1.7% | 57% | +86.0% 2008 | -21.6% 2014 | |
| May | +2.2% | +0.2% | 57% | +26.9% 2013 | -27.1% 2022 | |
| Jun | +6.1% | +9.4% | 76% | +24.8% 2007 | -30.2% 2006 | |
| Jul | +0.0% | -2.0% | 48% | +21.8% 2026 | -40.2% 2024 | |
| Aug | +8.2% | +9.1% | 76% | +51.8% 2018 | -18.9% 2023 | |
| Sep | -4.1% | -3.3% | 29% | +13.0% 2012 | -34.4% 2017 | |
| Oct | -3.9% | -7.1% | 35% | +50.0% 2022 | -27.0% 2008 | |
| Nov | +3.0% | +1.0% | 55% | +47.4% 2019 | -55.8% 2008 | |
| Dec | +4.4% | +3.0% | 55% | +38.0% 2008 | -12.4% 2006 |
Methodology#
Monthly returns are total returns (dividends reinvested), computed from DXCM's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
FAQ#
- What is DexCom Inc.'s average monthly return?
- DexCom Inc. (DXCM) has averaged about 2.43% per month, positive in roughly 55% of months. The best month was Apr 2008 (+86.0%) and the worst was Nov 2008 (-55.8%).
More on DexCom Inc.
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