Inspire Medical Systems Inc. monthly returns
Inspire Medical Systems Inc. has averaged 1.95% per month, positive in 55% of months. Month-by-month returns for Inspire Medical Systems Inc. (INSP) below, through October 20, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Inspire Medical Systems Inc. monthly returns#
| Month | Path | Total return |
|---|---|---|
| Oct 2026 | +2.9% | |
| Sep 2026 | +10.1% | |
| Aug 2026 | +25.5% | |
| Jul 2026 | +12.6% | |
| Jun 2026 | +7.9% | |
| May 2026 | -26.3% | |
| Apr 2026 | +8.8% | |
| Mar 2026 | -20.0% | |
| Feb 2026 | -14.9% | |
| Jan 2026 | -17.8% | |
| Dec 2025 | -25.9% | |
| Nov 2025 | +72.6% | |
| Oct 2025 | -2.9% | |
| Sep 2025 | -20.8% | |
| Aug 2025 | -24.8% | |
| Jul 2025 | -4.0% | |
| Jun 2025 | -6.1% | |
| May 2025 | -12.7% | |
| Apr 2025 | -0.6% | |
| Mar 2025 | -14.2% | |
| Feb 2025 | -4.1% | |
| Jan 2025 | +4.4% | |
| Dec 2024 | -3.8% | |
| Nov 2024 | -1.2% | |
| Oct 2024 | -7.6% | |
| Sep 2024 | +17.4% | |
| Aug 2024 | +27.5% | |
| Jul 2024 | +5.4% | |
| Jun 2024 | -15.7% | |
| May 2024 | -34.3% | |
| Apr 2024 | +12.5% | |
| Mar 2024 | +20.0% | |
| Feb 2024 | -15.1% | |
| Jan 2024 | +3.7% | |
| Dec 2023 | +40.0% | |
| Nov 2023 | -1.3% | |
| Oct 2023 | -25.8% | |
| Sep 2023 | -12.5% | |
| Aug 2023 | -21.2% | |
| Jul 2023 | -11.3% | |
| Jun 2023 | +11.0% | |
| May 2023 | +9.3% | |
| Apr 2023 | +14.3% | |
| Mar 2023 | -9.9% | |
| Feb 2023 | +2.7% | |
| Jan 2023 | +0.5% | |
| Dec 2022 | +4.3% | |
| Nov 2022 | +23.9% | |
| Oct 2022 | +9.9% | |
| Sep 2022 | -7.4% | |
| Aug 2022 | -8.4% | |
| Jul 2022 | +14.4% | |
| Jun 2022 | +3.3% | |
| May 2022 | -14.1% | |
| Apr 2022 | -19.8% | |
| Mar 2022 | +5.2% | |
| Feb 2022 | +10.3% | |
| Jan 2022 | -3.8% | |
| Dec 2021 | +3.0% | |
| Nov 2021 | -17.2% | |
| Oct 2021 | +15.8% | |
| Sep 2021 | +4.2% | |
| Aug 2021 | +22.1% | |
| Jul 2021 | -5.2% | |
| Jun 2021 | -0.5% | |
| May 2021 | -18.0% | |
| Apr 2021 | +14.4% | |
| Mar 2021 | -11.1% | |
| Feb 2021 | +15.5% | |
| Jan 2021 | +7.1% | |
| Dec 2020 | +1.3% | |
| Nov 2020 | +55.5% | |
| Oct 2020 | -7.5% | |
| Sep 2020 | +8.0% | |
| Aug 2020 | +20.2% | |
| Jul 2020 | +14.2% | |
| Jun 2020 | +6.7% | |
| May 2020 | +13.8% | |
| Apr 2020 | +18.9% | |
| Mar 2020 | -29.8% | |
| Feb 2020 | +14.8% | |
| Jan 2020 | +0.8% | |
| Dec 2019 | +4.6% | |
| Nov 2019 | +16.4% | |
| Oct 2019 | -0.1% | |
| Sep 2019 | -12.2% | |
| Aug 2019 | +2.8% | |
| Jul 2019 | +11.5% | |
| Jun 2019 | +7.4% | |
| May 2019 | +9.2% | |
| Apr 2019 | -9.0% | |
| Mar 2019 | -8.4% | |
| Feb 2019 | +15.6% | |
| Jan 2019 | +26.9% | |
| Dec 2018 | -8.0% | |
| Nov 2018 | +14.6% | |
| Oct 2018 | -4.8% | |
| Sep 2018 | -23.5% | |
| Aug 2018 | +22.7% | |
| Jul 2018 | +25.6% | |
| Jun 2018 | +18.9% |
Monthly total return (since Nov 2021)#
Inspire Medical Systems Inc. returns by calendar month#
Every month of every year since 2019, one tick per year on a shared scale; the dark bar is the month's average. Total returns, dividends reinvested.
October 2026 so far: +2.85% — 3rd of 8 Octobers since 2019 at the last close; the average October returned -2.6%.
| Month | −75%0+75% | Average | Median | Up | Best | Worst |
|---|---|---|---|---|---|---|
| Jan | +2.7% | +2.2% | 75% | +26.9% 2019 | -17.8% 2026 | |
| Feb | +3.1% | +6.5% | 63% | +15.6% 2019 | -15.1% 2024 | |
| Mar | -8.5% | -10.5% | 25% | +20.0% 2024 | -29.8% 2020 | |
| Apr | +5.0% | +10.7% | 63% | +18.9% 2020 | -19.8% 2022 | |
| May | -9.1% | -13.4% | 38% | +13.8% 2020 | -34.3% 2024 | |
| Jun | +1.7% | +5.0% | 63% | +11.0% 2023 | -15.7% 2024 | |
| Jul | +4.7% | +8.5% | 63% | +14.4% 2022 | -11.3% 2023 | |
| Aug | +5.5% | +11.5% | 63% | +27.5% 2024 | -24.8% 2025 | |
| Sep | -1.7% | -1.6% | 50% | +17.4% 2024 | -20.8% 2025 | |
| Oct | -2.6% | -2.9% | 29% | +15.8% 2021 | -25.8% 2023 | |
| Nov | +21.3% | +16.4% | 57% | +72.6% 2025 | -17.2% 2021 | |
| Dec | +3.4% | +3.0% | 71% | +40.0% 2023 | -25.9% 2025 |
Methodology#
Monthly returns are total returns (dividends reinvested), computed from INSP'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 Inspire Medical Systems Inc.'s average monthly return?
- Inspire Medical Systems Inc. (INSP) has averaged about 1.95% per month, positive in roughly 55% of months. The best month was Nov 2025 (+72.6%) and the worst was May 2024 (-34.3%).
