ResMed Inc (RSMDF) stock
RSMDFOTCSurgical & Medical Instruments & ApparatusFiscal year ends June 30Also trades as RMD
Financials through Q4 FY2026, quarter ended Jun 30, 2026Last filing: 10-K on Aug 13, 2026Score 21/3011% below fair value
$22.61+0.00 (0.00%)
Close on Oct 19, 2026Market cap $33.17BP/E 22.0Yield 1.04%
Price history
ResMed share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 19, 2026
$22.61
0.00% on the day
52-week range
$11.85 – $28.25
-20.0% from the high
Change over 52 weeks
-8.7%
From $24.76 on Oct 17, 2025
Average volume
27
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $22.61 | $22.61 | $22.61 | $22.61 | 0.00% | 0 |
| Sep 2026 | $24.53 | $24.53 | $22.61 | $22.61 | -7.81% | 1,500 |
| Aug 2026 | $16.72 | $24.53 | $16.72 | $24.53 | +46.68% | 200 |
| Jul 2026 | $16.72 | $16.72 | $16.72 | $16.72 | 0.00% | 0 |
| Jun 2026 | $17.93 | $17.93 | $16.25 | $16.72 | -6.75% | 1,094 |
| May 2026 | $24.89 | $24.89 | $11.85 | $17.93 | -27.96% | 2,238 |
| Apr 2026 | $19.66 | $24.89 | $19.66 | $24.89 | +26.60% | 153 |
| Mar 2026 | $28.25 | $28.25 | $19.45 | $19.66 | -30.41% | 4,500 |
| Feb 2026 | $28.00 | $28.25 | $25.43 | $28.25 | +0.89% | 1,793 |
| Jan 2026 | $26.73 | $28.00 | $22.11 | $28.00 | +4.75% | 2,172 |
| Dec 2025 | $24.93 | $27.25 | $24.93 | $26.73 | +7.22% | 334 |
| Nov 2025 | $24.96 | $27.69 | $23.08 | $24.93 | -3.56% | 206,753 |
| Oct 2025 | $27.11 | $27.11 | $24.59 | $25.85 | -4.65% | 608,929 |
| Sep 2025 | $16.63 | $27.11 | $16.63 | $27.11 | +63.02% | 574 |
| Aug 2025 | $24.77 | $24.77 | $16.57 | $16.63 | -32.86% | 480 |
| Jul 2025 | $22.00 | $25.21 | $22.00 | $24.77 | +12.59% | 74,576 |
| Jun 2025 | $22.00 | $22.00 | $22.00 | $22.00 | 0.00% | 0 |
| May 2025 | $22.00 | $22.00 | $22.00 | $22.00 | 0.00% | 0 |
| Apr 2025 | $30.00 | $30.00 | $21.67 | $22.00 | -26.67% | 1,924 |
| Mar 2025 | $23.50 | $30.00 | $23.50 | $30.00 | +27.66% | 1,440 |
| Feb 2025 | $21.70 | $23.50 | $21.70 | $23.50 | +8.29% | 750,141 |
| Jan 2025 | $22.91 | $22.91 | $21.70 | $21.70 | -5.28% | 2,738 |
| Dec 2024 | $22.75 | $24.55 | $22.75 | $22.91 | +0.70% | 14,689 |
| Nov 2024 | $17.70 | $22.75 | $17.70 | $22.75 | +28.53% | 156 |
| Oct 2024 | $17.70 | $17.70 | $17.70 | $17.70 | 0.00% | 0 |
| Sep 2024 | $17.70 | $17.70 | $17.70 | $17.70 | 0.00% | 0 |
| Aug 2024 | $17.70 | $17.70 | $17.70 | $17.70 | 0.00% | 0 |
| Jul 2024 | $17.70 | $17.70 | $17.70 | $17.70 | 0.00% | 0 |
| Jun 2024 | $17.70 | $17.70 | $17.70 | $17.70 | 0.00% | 0 |
| May 2024 | $17.70 | $17.70 | $17.70 | $17.70 | 0.00% | 0 |
| Apr 2024 | $19.06 | $19.06 | $17.70 | $17.70 | -7.14% | 100 |
| Mar 2024 | $19.06 | $19.06 | $19.06 | $19.06 | 0.00% | 0 |
| Feb 2024 | $19.06 | $19.06 | $19.06 | $19.06 | -0.57% | 521 |
| Jan 2024 | $16.24 | $19.17 | $16.24 | $19.17 | +18.08% | 2,036 |
| Dec 2023 | $15.82 | $16.24 | $15.82 | $16.24 | +2.62% | 180 |
| Nov 2023 | $13.89 | $16.22 | $13.72 | $15.82 | +13.89% | 145,600 |
| Oct 2023 | $15.19 | $15.19 | $13.89 | $13.89 | -8.56% | 182,195 |
| Sep 2023 | $16.57 | $16.57 | $14.72 | $15.19 | -8.33% | 400 |
| Aug 2023 | $22.01 | $22.01 | $16.57 | $16.57 | -24.72% | 700,694 |
| Jul 2023 | $21.82 | $22.01 | $21.36 | $22.01 | +0.89% | 202 |
| Jun 2023 | $21.70 | $22.46 | $21.70 | $21.82 | +0.53% | 300 |
| May 2023 | $21.70 | $21.70 | $21.70 | $21.70 | 0.00% | 0 |
| Apr 2023 | $21.27 | $21.85 | $21.27 | $21.70 | +2.02% | 1,610 |
| Mar 2023 | $23.25 | $23.25 | $21.27 | $21.27 | -8.52% | 260 |
| Feb 2023 | $23.25 | $23.25 | $23.25 | $23.25 | 0.00% | 0 |
| Jan 2023 | $21.33 | $24.18 | $21.33 | $23.25 | +9.00% | 535 |
| Dec 2022 | $22.36 | $22.36 | $21.33 | $21.33 | -4.58% | 135 |
| Nov 2022 | $22.42 | $22.42 | $21.61 | $22.36 | -0.29% | 300 |
| Oct 2022 | $20.68 | $22.42 | $20.68 | $22.42 | +8.41% | 100 |
| Sep 2022 | $22.00 | $22.35 | $20.68 | $20.68 | -6.00% | 1,750 |
| Aug 2022 | $24.00 | $24.00 | $22.00 | $22.00 | -8.33% | 595 |
| Jul 2022 | $22.00 | $24.00 | $1.90 | $24.00 | +9.09% | 75,621 |
| Jun 2022 | $22.00 | $22.00 | $22.00 | $22.00 | 0.00% | 0 |
| May 2022 | $22.00 | $22.00 | $22.00 | $22.00 | 0.00% | 0 |
| Apr 2022 | $24.32 | $24.32 | $22.00 | $22.00 | -9.54% | 1,523 |
| Mar 2022 | $22.05 | $25.07 | $22.00 | $24.32 | +10.29% | 3,485 |
| Feb 2022 | $22.00 | $25.13 | $22.00 | $22.05 | +0.23% | 4,309 |
| Jan 2022 | $23.34 | $24.74 | $22.00 | $22.00 | -5.74% | 3,800 |
| Dec 2021 | $24.94 | $24.94 | $23.29 | $23.34 | -6.42% | 1,000 |
| Nov 2021 | $25.06 | $25.06 | $24.94 | $24.94 | -0.48% | 200 |
| Oct 2021 | $25.01 | $25.06 | $25.01 | $25.06 | -15.74% | 409 |
| Sep 2021 | $26.32 | $29.74 | $26.32 | $29.74 | +12.99% | 81,500 |
| Aug 2021 | $26.32 | $26.32 | $26.32 | $26.32 | 0.00% | 0 |
| Jul 2021 | $23.74 | $26.32 | $23.25 | $26.32 | +15.19% | 1,600 |
| Jun 2021 | $21.68 | $22.85 | $19.89 | $22.85 | +15.06% | 22,918 |
| May 2021 | $19.86 | $19.86 | $19.86 | $19.86 | 0.00% | 0 |
| Apr 2021 | $18.36 | $19.86 | $18.36 | $19.86 | +8.20% | 150 |
| Mar 2021 | $19.34 | $19.34 | $18.36 | $18.36 | -5.09% | 160 |
| Feb 2021 | $21.07 | $21.07 | $19.34 | $19.34 | -8.21% | 1,332 |
| Jan 2021 | $21.55 | $21.55 | $21.07 | $21.07 | -2.23% | 20,002 |
| Dec 2020 | $21.68 | $21.68 | $18.81 | $21.55 | -0.60% | 695 |
| Nov 2020 | $17.60 | $21.74 | $17.60 | $21.68 | +23.18% | 231 |
| Oct 2020 | $18.02 | $18.02 | $17.50 | $17.60 | -2.33% | 3,100 |
| Sep 2020 | $17.64 | $18.02 | $17.64 | $18.02 | +2.15% | 500 |
| Aug 2020 | $21.31 | $21.31 | $17.41 | $17.64 | -17.22% | 33,035 |
| Jul 2020 | $17.80 | $21.31 | $17.80 | $21.31 | +21.08% | 101,849 |
| Jun 2020 | $15.22 | $18.23 | $15.22 | $17.60 | +15.64% | 141,878 |
| May 2020 | $15.07 | $15.22 | $15.07 | $15.22 | +1.00% | 700 |
| Apr 2020 | $12.49 | $17.67 | $12.49 | $15.07 | +20.66% | 24,349 |
| Mar 2020 | $16.26 | $16.57 | $12.15 | $12.49 | -25.88% | 4,836 |
| Feb 2020 | $15.93 | $17.89 | $15.93 | $16.85 | +5.78% | 53,434 |
| Jan 2020 | $14.25 | $16.36 | $14.25 | $15.93 | +11.79% | 81,320 |
| Dec 2019 | $14.25 | $14.25 | $14.25 | $14.25 | 0.00% | 0 |
| Nov 2019 | $14.41 | $15.06 | $14.25 | $14.25 | -1.11% | 50,810 |
| Oct 2019 | $13.79 | $14.41 | $12.92 | $14.41 | +4.50% | 2,250 |
| Sep 2019 | $13.26 | $13.79 | $13.26 | $13.79 | +4.00% | 4,000 |
| Aug 2019 | $12.85 | $13.82 | $12.85 | $13.26 | +3.19% | 2,205 |
| Jul 2019 | $11.10 | $12.85 | $11.10 | $12.85 | +15.77% | 39,010 |
| Jun 2019 | $11.10 | $11.10 | $11.10 | $11.10 | 0.00% | 0 |
| May 2019 | $9.80 | $11.10 | $9.80 | $11.10 | +13.27% | 6,700 |
| Apr 2019 | $9.80 | $10.08 | $9.69 | $9.80 | 0.00% | 3,876 |
| Mar 2019 | $9.80 | $9.80 | $9.80 | $9.80 | 0.00% | 0 |
| Feb 2019 | $9.80 | $9.80 | $9.80 | $9.80 | 0.00% | 0 |
| Jan 2019 | $10.40 | $11.10 | $9.80 | $9.80 | -5.77% | 2,062 |
| Dec 2018 | $10.40 | $10.40 | $10.40 | $10.40 | 0.00% | 0 |
| Nov 2018 | $10.40 | $10.40 | $10.40 | $10.40 | 0.00% | 0 |
| Oct 2018 | $10.40 | $10.40 | $10.40 | $10.40 | 0.00% | 0 |
| Sep 2018 | $10.40 | $10.40 | $10.40 | $10.40 | 0.00% | 0 |
| Aug 2018 | $10.65 | $10.65 | $10.40 | $10.40 | -2.35% | 100 |
| Jul 2018 | $11.10 | $11.10 | $10.65 | $10.65 | -4.05% | 1,789 |
| Jun 2018 | $10.15 | $11.10 | $10.15 | $11.10 | +9.36% | 2,100 |
| May 2018 | $10.15 | $10.15 | $7.85 | $10.15 | 0.00% | 1,600 |
| Apr 2018 | $9.81 | $10.15 | $9.81 | $10.15 | +3.47% | 100 |
| Mar 2018 | $9.73 | $9.88 | $9.73 | $9.81 | +0.82% | 2,981 |
| Feb 2018 | $9.75 | $11.28 | $9.53 | $9.73 | -0.21% | 2,228 |
| Jan 2018 | $7.63 | $10.02 | $7.63 | $9.75 | +27.79% | 1,000 |
| Dec 2017 | $7.63 | $7.63 | $7.63 | $7.63 | 0.00% | 0 |
| Nov 2017 | $7.63 | $7.63 | $7.63 | $7.63 | 0.00% | 0 |
| Oct 2017 | $7.63 | $7.63 | $7.63 | $7.63 | 0.00% | 0 |
| Sep 2017 | $7.35 | $8.30 | $7.35 | $7.63 | +3.81% | 200 |
| Aug 2017 | $7.96 | $7.96 | $7.35 | $7.35 | -7.66% | 13,000 |
| Jul 2017 | $7.77 | $7.96 | $7.77 | $7.96 | +2.45% | 100 |
| Jun 2017 | $7.06 | $7.77 | $7.06 | $7.77 | +10.06% | 7,000 |
| May 2017 | $7.06 | $7.06 | $7.06 | $7.06 | 0.00% | 0 |
| Apr 2017 | $7.13 | $7.13 | $7.06 | $7.06 | -0.98% | 1,000 |
| Mar 2017 | $7.13 | $7.13 | $7.13 | $7.13 | 0.00% | 0 |
| Feb 2017 | $5.78 | $7.13 | $5.78 | $7.13 | +23.36% | 2,800 |
| Jan 2017 | $5.78 | $5.78 | $5.78 | $5.78 | 0.00% | 0 |
| Dec 2016 | $6.68 | $6.68 | $5.78 | $5.78 | -13.47% | 511 |
| Nov 2016 | $6.68 | $6.68 | $6.68 | $6.68 | 0.00% | 0 |
| Oct 2016 | $5.97 | $6.68 | $5.97 | $6.68 | +11.89% | 100 |
| Sep 2016 | $5.97 | $5.97 | $5.97 | $5.97 | 0.00% | 0 |
| Aug 2016 | $5.97 | $5.97 | $5.97 | $5.97 | 0.00% | 0 |
| Jul 2016 | $5.97 | $5.97 | $5.97 | $5.97 | 0.00% | 0 |
| Jun 2016 | $5.97 | $5.97 | $5.97 | $5.97 | 0.00% | 0 |
| May 2016 | $5.97 | $5.97 | $5.97 | $5.97 | 0.00% | 0 |
| Apr 2016 | $5.86 | $5.97 | $5.86 | $5.97 | +1.88% | 300 |
| Mar 2016 | $5.86 | $5.86 | $5.86 | $5.86 | 0.00% | 0 |
| Feb 2016 | $5.86 | $5.86 | $5.86 | $5.86 | 0.00% | 511 |
| Jan 2016 | $5.55 | $5.86 | $5.55 | $5.86 | +5.59% | 600 |
| Dec 2015 | $5.13 | $5.61 | $5.13 | $5.55 | +8.19% | 200 |
| Nov 2015 | $5.13 | $5.13 | $5.13 | $5.13 | 0.00% | 0 |
| Oct 2015 | $5.13 | $5.13 | $5.13 | $5.13 | 0.00% | 0 |
| Sep 2015 | $5.78 | $5.78 | $5.13 | $5.13 | -11.25% | 6,200 |
| Aug 2015 | $5.78 | $5.78 | $5.78 | $5.78 | 0.00% | 0 |
| Jul 2015 | $6.68 | $6.68 | $5.60 | $5.78 | -13.47% | 1,400 |
| Jun 2015 | $6.68 | $6.68 | $6.68 | $6.68 | 0.00% | 0 |
| May 2015 | $6.62 | $6.68 | $6.62 | $6.68 | +0.91% | 2,000 |
| Apr 2015 | $6.62 | $6.62 | $6.62 | $6.62 | 0.00% | 0 |
| Mar 2015 | $5.00 | $6.62 | $5.00 | $6.62 | +32.40% | 1,000 |
| Feb 2015 | $5.00 | $5.00 | $5.00 | $5.00 | 0.00% | 0 |
| Jan 2015 | $5.00 | $5.00 | $5.00 | $5.00 | 0.00% | 0 |
| Dec 2014 | $5.00 | $5.00 | $5.00 | $5.00 | 0.00% | 0 |
| Nov 2014 | $5.00 | $5.00 | $5.00 | $5.00 | 0.00% | 0 |
| Oct 2014 | $4.70 | $5.20 | $4.70 | $5.00 | +6.38% | 5,200 |
| Sep 2014 | $4.70 | $4.70 | $4.70 | $4.70 | 0.00% | 0 |
| Aug 2014 | $4.70 | $4.70 | $4.70 | $4.70 | 0.00% | 0 |
| Jul 2014 | $4.70 | $4.70 | $4.70 | $4.70 | 0.00% | 0 |
| Jun 2014 | $4.70 | $4.70 | $4.70 | $4.70 | 0.00% | 0 |
| May 2014 | $4.70 | $4.70 | $4.70 | $4.70 | 0.00% | 0 |
| Apr 2014 | $4.70 | $4.70 | $4.70 | $4.70 | 0.00% | 0 |
| Mar 2014 | $4.70 | $4.70 | $4.70 | $4.70 | 0.00% | 0 |
| Feb 2014 | $4.70 | $4.70 | $4.70 | $4.70 | 0.00% | 0 |
| Jan 2014 | $4.70 | $4.70 | $4.70 | $4.70 | 0.00% | 0 |
| Dec 2013 | $4.70 | $4.70 | $4.70 | $4.70 | 0.00% | 0 |
| Nov 2013 | $4.70 | $4.70 | $4.70 | $4.70 | 0.00% | 0 |
| Oct 2013 | $4.70 | $4.70 | $4.70 | $4.70 | 0.00% | 0 |
| Sep 2013 | $4.37 | $4.70 | $4.37 | $4.70 | +7.55% | 1,000 |
| Aug 2013 | $4.37 | $4.37 | $4.37 | $4.37 | 0.00% | 0 |
| Jul 2013 | $4.82 | $4.82 | $4.37 | $4.37 | -9.34% | 21,000 |
| Jun 2013 | $44.15 | $44.15 | $4.82 | $4.82 | -89.08% | 11,000 |
| May 2013 | $44.15 | $44.15 | $44.15 | $44.15 | 0.00% | 0 |
| Apr 2013 | $44.15 | $44.15 | $44.15 | $44.15 | 0.00% | 0 |
| Mar 2013 | $44.25 | $44.25 | $4.42 | $44.15 | – | 300 |
Seasonality
RSMDF return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 5.2% | 3.1% | -3.1% | 1.7% | -1.1% | 4.4% | 7.3% | -4.1% | 6.4% | -1.8% | 6.9% | -0.1% |
| Months up | 5 of 10 | 7 of 10 | 3 of 10 | 5 of 10 | 9 of 10 | 5 of 10 | 7 of 10 | 4 of 10 | 5 of 10 | 2 of 10 | 4 of 9 | 3 of 9 |
| 2026 | 4.8% | 1.1% | -30.4% | 26.6% | -27.6% | -6.7% | 0.0% | 47.1% | -7.8% | 0.0% | ||
| 2025 | -5.3% | 8.6% | 27.7% | -26.7% | 0.2% | 0.0% | 12.6% | -32.6% | 63.0% | -4.6% | -3.3% | 7.2% |
| 2024 | 18.1% | -0.3% | 0.0% | -7.1% | 0.3% | 0.0% | 0.0% | 0.3% | 0.0% | 0.0% | 28.9% | 0.7% |
| 2023 | 9.0% | 0.2% | -8.5% | 2.0% | 0.2% | 0.5% | 0.9% | -24.5% | -8.3% | -8.6% | 14.2% | 2.6% |
| 2022 | -5.7% | 0.4% | 10.3% | -9.5% | 0.2% | 0.0% | 9.1% | -8.2% | -6.0% | 8.4% | -0.1% | -4.6% |
| 2021 | -2.2% | -8.0% | -5.1% | 8.2% | 0.2% | 15.1% | 15.2% | 0.2% | 13.0% | -15.7% | -0.3% | -6.4% |
| 2020 | 11.8% | 6.0% | -25.9% | 20.7% | 1.0% | 15.6% | 21.1% | -17.0% | 2.2% | -2.3% | 23.5% | -0.6% |
| 2019 | -5.8% | 0.0% | 0.0% | 0.0% | 13.3% | 0.0% | 15.8% | 3.5% | 4.0% | 4.5% | -0.8% | 0.0% |
| 2018 | 27.8% | 0.2% | 0.8% | 3.5% | 0.3% | 9.4% | -4.1% | -2.3% | 0.0% | 0.0% | 0.0% | 0.0% |
| 2017 | 0.0% | 23.4% | 0.0% | -1.0% | 0.5% | 10.1% | 2.4% | -7.4% | 3.8% | 0.0% | 0.5% | 0.0% |