B3 · R1MD34 · stock
ResMed Inc. (R1MD34) stock price history
Every B3 trading session of ResMed Inc. from Mar 26, 2020 to Sep 27, 2026: 1,621 daily bars, adjusted for splits and dividends, with minute bars arriving as capture begins. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
R1MD34 adjusted close, 2020 to 2026
- R$393.86
- All time high, 2025
- R$373.80
- 52 week high, R$243.85 low
- 1,621
- Daily sessions since 2020
Last updated Sep 27, 2026, the last stored session. Refreshes after each trading day. Full 2020 to 2026 series and minute bars.
R1MD34 key facts
- ResMed Inc. (R1MD34) closed at R$243.85 on Sep 27, 2026 on B3.
- R1MD34's all time high close is R$393.86, set on Aug 22, 2025; its all time low close is R$171.88 on Mar 26, 2020.
- R1MD34's 52 week range is R$243.85 to R$373.80.
- R1MD34 returned -31.8% over the year to Sep 27, 2026 and -34.0% over five years.
- Since Mar 26, 2020 R1MD34 returned +42%, +5.5% a year compounded.
- R1MD34's deepest drawdown was -51.5% from Sep 15, 2021 to Oct 5, 2023.
- DataCedar holds 1,621 daily sessions of R1MD34 history from Mar 26, 2020, adjusted for splits and dividends, served by the API under a key.
R1MD34 price chart, 2020 to 2026
R1MD34 returns
Price return from the last close on or before the window start to Sep 27, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | 0.0% |
| 3 months | -0.4% |
| 6 months | -19.3% |
| Year to date | -26.6% |
| 1 year | -31.8% |
| 3 years | -13.5% |
| 5 years | -34.0% |
| 10 years | n/a |
| Since Mar 26, 2020 | +41.9% |
| Compound annual growth, 6.5 years | +5.5% |
R1MD34 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- R$393.86 on Aug 22, 2025
- All time low close
- R$171.88 on Mar 26, 2020
- 52 week high
- R$373.80 on Oct 10, 2025
- 52 week low
- R$243.85 on Sep 27, 2026
- Deepest drawdown
- -51.5% from Sep 15, 2021 to Oct 5, 2023, recovered Jul 28, 2025
- Best single session
- +46.5% on Jul 24, 2020
- Worst single session
- -21.6% on Oct 2, 2023
- Volatility, 1 year annualised
- 24.8%
- Sessions closing higher, 1 year
- 8%
- Best calendar year
- 2024, +81%
- Worst calendar year
- 2023, -32%
R1MD34 price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2020 starts on Mar 26, 2020; 2026 runs to Sep 27, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | R$332.29 | R$354.82 | R$242.14 | R$243.85 | -26.6% | 495 | 185 |
| 2025 | R$358.75 | R$393.86 | R$299.46 | R$332.29 | -7.4% | 4.2K | 250 |
| 2024 | R$198.17 | R$376.29 | R$198.17 | R$358.75 | +81.0% | 7.2K | 251 |
| 2023 | R$292.41 | R$301.83 | R$179.91 | R$198.17 | -32.2% | 171 | 248 |
| 2022 | R$355.41 | R$355.41 | R$230.45 | R$292.41 | -17.7% | 858 | 250 |
| 2021 | R$262.77 | R$377.35 | R$248.00 | R$355.41 | +36.4% | 5.8K | 247 |
| 2020 | R$171.88 | R$283.02 | R$171.88 | R$260.47 | n/a | 1.5K | 190 |
R1MD34 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | R$243.85 | 0.0% |
| August 2026 | R$243.85 | +0.2% |
| July 2026 | R$243.26 | -0.7% |
| June 2026 | R$244.91 | -5.6% |
| May 2026 | R$259.37 | -6.4% |
| April 2026 | R$277.04 | -3.9% |
| March 2026 | R$288.39 | -12.9% |
| February 2026 | R$330.94 | -0.2% |
| January 2026 | R$331.50 | -0.2% |
| December 2025 | R$332.29 | -2.2% |
| November 2025 | R$339.88 | +0.3% |
| October 2025 | R$338.98 | -5.5% |
About the R1MD34 data
Daily bars. 1,621 sessions from Mar 26, 2020 to Sep 27, 2026, one row per B3 trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Not stored for this listing yet. Minute history is captured forward from the day collection begins for a symbol and is never backfilled.
Time and currency. Session dates are B3 trading days; minute timestamps are UTC. Prices are in BRL. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Mar 26, 2020, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/R1MD34/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on B3
Common questions
R1MD34 share price history
