OMER
$16.55+1.22%
Omeros CorporationStock · HealthcareRussell 2000 · 0.02% of IWMNasdaq Composite · 0.003% of ONEQRussell 3000 · 0.0010% of IWVUS Stock Market · 0.0009% of VTI
Omeros Corporation monthly returns
Omeros Corporation has averaged 3.55% per month, positive in 45% of months. Month-by-month returns for Omeros Corporation (OMER) below, through October 20, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+3.5%
202 months
Best month
+180.9%
Nov 2024
Worst month
-59.2%
Oct 2023
Positive months
45%
of all months
Omeros Corporation monthly returns#
| Month | Path | Total return |
|---|---|---|
| Oct 2026 | -13.1% | |
| Sep 2026 | +1.3% | |
| Aug 2026 | +58.7% | |
| Jul 2026 | +24.5% | |
| Jun 2026 | -13.9% | |
| May 2026 | -24.4% | |
| Apr 2026 | +38.3% | |
| Mar 2026 | -12.4% | |
| Feb 2026 | +3.1% | |
| Jan 2026 | -32.0% | |
| Dec 2025 | +77.3% | |
| Nov 2025 | +32.2% | |
| Oct 2025 | +78.8% | |
| Sep 2025 | -1.4% | |
| Aug 2025 | +7.5% | |
| Jul 2025 | +29.0% | |
| Jun 2025 | -2.9% | |
| May 2025 | -58.0% | |
| Apr 2025 | -10.6% | |
| Mar 2025 | -2.3% | |
| Feb 2025 | -2.4% | |
| Jan 2025 | -12.8% | |
| Dec 2024 | -13.0% | |
| Nov 2024 | +180.9% | |
| Oct 2024 | +1.8% | |
| Sep 2024 | -5.7% | |
| Aug 2024 | -21.9% | |
| Jul 2024 | +32.8% | |
| Jun 2024 | +20.8% | |
| May 2024 | +6.7% | |
| Apr 2024 | -8.7% | |
| Mar 2024 | -23.3% | |
| Feb 2024 | +38.9% | |
| Jan 2024 | -0.9% | |
| Dec 2023 | +49.3% | |
| Nov 2023 | +84.0% | |
| Oct 2023 | -59.2% | |
| Sep 2023 | -15.6% | |
| Aug 2023 | -20.5% | |
| Jul 2023 | -20.0% | |
| Jun 2023 | -12.3% | |
| May 2023 | +6.9% | |
| Apr 2023 | +24.7% | |
| Mar 2023 | +23.3% | |
| Feb 2023 | +30.0% | |
| Jan 2023 | +28.3% | |
| Dec 2022 | +5.6% | |
| Nov 2022 | -35.3% | |
| Oct 2022 | +5.1% | |
| Sep 2022 | -21.8% | |
| Aug 2022 | -19.1% | |
| Jul 2022 | +81.1% | |
| Jun 2022 | +10.9% | |
| May 2022 | -28.5% | |
| Apr 2022 | -42.3% | |
| Mar 2022 | -16.5% | |
| Feb 2022 | +20.0% | |
| Jan 2022 | -6.7% | |
| Dec 2021 | -10.7% | |
| Nov 2021 | +14.8% | |
| Oct 2021 | -54.5% | |
| Sep 2021 | -15.4% | |
| Aug 2021 | +12.4% | |
| Jul 2021 | -2.3% | |
| Jun 2021 | -2.3% | |
| May 2021 | -14.0% | |
| Apr 2021 | -0.8% | |
| Mar 2021 | -10.7% | |
| Feb 2021 | +2.5% | |
| Jan 2021 | +36.2% | |
| Dec 2020 | +23.3% | |
| Nov 2020 | +14.3% | |
| Oct 2020 | +0.3% | |
| Sep 2020 | -15.4% | |
| Aug 2020 | -6.9% | |
| Jul 2020 | -12.8% | |
| Jun 2020 | -1.1% | |
| May 2020 | -10.5% | |
| Apr 2020 | +24.3% | |
| Mar 2020 | +12.3% | |
| Feb 2020 | -6.7% | |
| Jan 2020 | -9.4% | |
| Dec 2019 | -4.8% | |
| Nov 2019 | -6.6% | |
| Oct 2019 | -3.0% | |
| Sep 2019 | -11.7% | |
| Aug 2019 | +19.2% | |
| Jul 2019 | -1.1% | |
| Jun 2019 | -11.8% | |
| May 2019 | -5.6% | |
| Apr 2019 | +8.5% | |
| Mar 2019 | +20.5% | |
| Feb 2019 | +5.7% | |
| Jan 2019 | +22.4% | |
| Dec 2018 | -20.1% | |
| Nov 2018 | -8.6% | |
| Oct 2018 | -37.4% | |
| Sep 2018 | -5.7% | |
| Aug 2018 | +22.9% | |
| Jul 2018 | +16.1% | |
| Jun 2018 | -11.2% | |
| May 2018 | +42.3% | |
| Apr 2018 | +28.5% | |
| Mar 2018 | +10.6% | |
| Feb 2018 | -37.6% | |
| Jan 2018 | -16.7% | |
| Dec 2017 | -6.4% | |
| Nov 2017 | +31.7% | |
| Oct 2017 | -27.1% | |
| Sep 2017 | +5.6% | |
| Aug 2017 | -2.3% | |
| Jul 2017 | +5.3% | |
| Jun 2017 | +31.8% | |
| May 2017 | -7.4% | |
| Apr 2017 | +7.9% | |
| Mar 2017 | +24.2% | |
| Feb 2017 | +25.6% | |
| Jan 2017 | -2.3% | |
| Dec 2016 | -19.3% | |
| Nov 2016 | +49.9% |
Monthly total return (since Nov 2021)#
-100%0%100%
Nov 2021+15%
Dec 2021-11%
Jan 2022-6.7%2022
Feb 2022+20%
Mar 2022-17%
Apr 2022-42%
May 2022-29%
Jun 2022+11%
Jul 2022+81%
Aug 2022-19%
Sep 2022-22%
Oct 2022+5.1%
Nov 2022-35%
Dec 2022+5.6%
Jan 2023+28%2023
Feb 2023+30%
Mar 2023+23%
Apr 2023+25%
May 2023+6.9%
Jun 2023-12%
Jul 2023-20%
Aug 2023-20%
Sep 2023-16%
Oct 2023-59%
Nov 2023+84%
Dec 2023+49%
Jan 2024-0.92%2024
Feb 2024+39%
Mar 2024-23%
Apr 2024-8.7%
May 2024+6.7%
Jun 2024+21%
Jul 2024+33%
Aug 2024-22%
Sep 2024-5.7%
Oct 2024+1.8%
Nov 2024+181%
Dec 2024-13%
Jan 2025-13%2025
Feb 2025-2.4%
Mar 2025-2.3%
Apr 2025-11%
May 2025-58%
Jun 2025-2.9%
Jul 2025+29%
Aug 2025+7.5%
Sep 2025-1.4%
Oct 2025+79%
Nov 2025+32%
Dec 2025+77%
Jan 2026-32%2026
Feb 2026+3.1%
Mar 2026-12%
Apr 2026+38%
May 2026-24%
Jun 2026-14%
Jul 2026+25%
Aug 2026+59%
Sep 2026+1.3%
Oct 2026-13%
Omeros Corporation returns by calendar month#
Every month of every year since 2010, one tick per year on a shared scale; the dark bar is the month's average. Total returns, dividends reinvested.
October 2026 so far: -13.08% — 12th of 17 Octobers since 2010 at the last close; the average October returned -4.2%.
| Month | −185%0+185% | Average | Median | Up | Best | Worst |
|---|---|---|---|---|---|---|
| Jan | -1.3% | -6.7% | 35% | +38.2% 2012 | -32.0% 2026 | |
| Feb | +5.7% | +3.1% | 59% | +38.9% 2024 | -37.6% 2018 | |
| Mar | +8.4% | +10.6% | 59% | +51.3% 2016 | -24.1% 2013 | |
| Apr | -0.7% | -2.2% | 41% | +38.3% 2026 | -42.3% 2022 | |
| May | -4.5% | -5.6% | 35% | +42.3% 2018 | -58.0% 2025 | |
| Jun | +2.6% | -2.9% | 29% | +48.8% 2014 | -13.9% 2026 | |
| Jul | +7.6% | -1.1% | 47% | +81.1% 2022 | -21.8% 2014 | |
| Aug | +0.7% | -3.7% | 35% | +58.7% 2026 | -21.9% 2024 | |
| Sep | -0.1% | -5.7% | 35% | +93.8% 2013 | -22.2% 2015 | |
| Oct | -4.2% | +0.1% | 50% | +78.8% 2025 | -59.2% 2023 | |
| Nov | +23.4% | +14.6% | 63% | +180.9% 2024 | -35.3% 2022 | |
| Dec | +6.8% | +0.4% | 50% | +77.3% 2025 | -30.6% 2012 |
Methodology#
Monthly returns are total returns (dividends reinvested), computed from OMER'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 Omeros Corporation's average monthly return?
- Omeros Corporation (OMER) has averaged about 3.55% per month, positive in roughly 45% of months. The best month was Nov 2024 (+180.9%) and the worst was Oct 2023 (-59.2%).
More on Omeros Corporation
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