IRTChistorical intraday data
ListediRhythm Holdings, Inc. Common StockNasdaq
iRhythm Holdings, Inc. Common Stock (IRTC) is a common stock listed on Nasdaq. IRTC has 2,526 trading days on file, from October 20, 2016 to November 9, 2026, with 19,664,630 trades. There are 609,486 1-minute bars on file.
On file
- First day
- 2016-10-20
- Last day
- 2026-11-09
- Trading days
- 2,526
- Trades
- 19,664,630
- 1-minute bars
- 609,486
- Bars, about
- 9.2 MB
- Trades, about
- 271 MB
- Quotes, about
- 265 MB
Sizes are approximate: this ticker’s share of the Parquet files.
Trading history
Symbols get reused, so the history under IRTC is not always one company.
Sample rows
| Time (ET) | Open | High | Low | Close | Volume | Trades |
|---|---|---|---|---|---|---|
| 09:30 | 90.69 | 91.615 | 90.0501 | 91.5425 | 18,418.721041 | 233 |
| 09:31 | 91.615 | 91.75 | 90.525 | 90.7538 | 14,324.65498 | 156 |
| 09:32 | 90.575 | 90.99 | 90.2401 | 90.604 | 8,628.318943 | 191 |
| 09:33 | 91 | 91.615 | 91 | 91.615 | 2,139.526086 | 29 |
| 09:36 | 90.5809 | 90.98 | 90.5809 | 90.62 | 625.564737 | 26 |
IRTC by year
| Year | Trading days on file | Trades |
|---|---|---|
| 2016 | 50 | 81,658 |
| 2017 | 251 | 547,467 |
| 2018 | 251 | 770,754 |
| 2019 | 252 | 1,196,242 |
| 2020 | 253 | 1,665,381 |
| 2021 | 252 | 2,536,294 |
| 2022 | 251 | 2,398,907 |
| 2023 | 250 | 2,181,468 |
| 2024 | 252 | 2,468,891 |
| 2025 | 250 | 2,961,683 |
| 2026 | 214 | 2,855,885 |