Nasdaq · IRTC · stock
iRhythm Holdings, Inc. (IRTC) stock price history
Every Nasdaq trading session of iRhythm Holdings, Inc. from Oct 20, 2016 to Sep 28, 2026: 2,497 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
IRTC adjusted close, 2016 to 2026
- $268.46
- All time high, 2021
- $212.00
- 52 week high, $100.85 low
- 2,497
- Daily sessions since 2016
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2016 to 2026 series and minute bars.
IRTC key facts
- iRhythm Holdings, Inc. (IRTC) closed at $112.60 on Sep 28, 2026 on Nasdaq.
- IRTC's all time high close is $268.46, set on Jan 20, 2021; its all time low close is $23.08 on Nov 4, 2016.
- IRTC's 52 week range is $100.85 to $212.00.
- IRTC returned -34.1% over the year to Sep 28, 2026 and +98.3% over five years.
- Since Oct 20, 2016 IRTC returned +332%, +15.9% a year compounded.
- IRTC's deepest drawdown was -84.4% from Jan 20, 2021 to Aug 19, 2021.
- DataCedar holds 2,497 daily sessions of IRTC history from Oct 20, 2016 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
IRTC price chart, 2016 to 2026
IRTC returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -6.4% |
| 3 months | -5.3% |
| 6 months | -4.7% |
| Year to date | -36.9% |
| 1 year | -34.1% |
| 3 years | +17.2% |
| 5 years | +98.3% |
| 10 years | n/a |
| Since Oct 20, 2016 | +332.2% |
| Compound annual growth, 9.9 years | +15.9% |
IRTC records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $268.46 on Jan 20, 2021
- All time low close
- $23.08 on Nov 4, 2016
- 52 week high
- $212.00 on Oct 31, 2025
- 52 week low
- $100.85 on Jun 18, 2026
- Deepest drawdown
- -84.4% from Jan 20, 2021 to Aug 19, 2021, not yet recovered
- Best single session
- +59.0% on Nov 3, 2021
- Worst single session
- -39.5% on Apr 12, 2021
- Volatility, 1 year annualised
- 43.1%
- Sessions closing higher, 1 year
- 47%
- Growth of 1 since 2016
- 4.3×
- Best calendar year
- 2020, +248%
- Worst calendar year
- 2021, -50%
IRTC 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. 2016 starts on Oct 20, 2016; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $176.97 | $191.40 | $100.85 | $112.60 | -36.5% | 112.2M | 185 |
| 2025 | $90.52 | $212.00 | $86.55 | $177.44 | +96.8% | 114M | 250 |
| 2024 | $105.52 | $124.11 | $55.92 | $90.17 | -15.8% | 115.6M | 252 |
| 2023 | $95.00 | $140.23 | $70.24 | $107.04 | +14.3% | 90.3M | 250 |
| 2022 | $118.85 | $169.54 | $88.73 | $93.67 | -20.4% | 98M | 251 |
| 2021 | $235.21 | $286.19 | $41.66 | $117.69 | -50.4% | 146M | 252 |
| 2020 | $68.68 | $274.21 | $56.54 | $237.21 | +248.4% | 98.9M | 253 |
| 2019 | $67.89 | $98.13 | $56.24 | $68.09 | -2.0% | 97M | 252 |
| 2018 | $56.41 | $98.37 | $55.18 | $69.48 | +24.0% | 72.7M | 251 |
| 2017 | $30.32 | $57.90 | $28.70 | $56.05 | +86.8% | 64.4M | 251 |
| 2016 | $26.75 | $31.69 | $22.16 | $30.00 | n/a | 14.6M | 50 |
IRTC monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $112.60 | -5.3% |
| August 2026 | $118.94 | +1.5% |
| July 2026 | $117.17 | -1.5% |
| June 2026 | $118.95 | +4.4% |
| May 2026 | $113.90 | -11.8% |
| April 2026 | $129.16 | +9.4% |
| March 2026 | $118.02 | -11.8% |
| February 2026 | $133.75 | -13.4% |
| January 2026 | $154.51 | -12.9% |
| December 2025 | $177.44 | -5.6% |
| November 2025 | $188.01 | +0.4% |
| October 2025 | $187.30 | +8.9% |
About the IRTC data
Daily bars. 2,497 sessions from Oct 20, 2016 to Sep 28, 2026, one row per Nasdaq 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. Stored from Jul 13, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. 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 Oct 20, 2016, 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/IRTC/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
IRTC share price history
