ATRAhistorical intraday data
ListedAtara Biotherapeutics, IncNasdaq
Atara Biotherapeutics, Inc (ATRA) is a common stock listed on Nasdaq. The archive holds 3,033 trading days of ATRA, from October 16, 2014 to November 9, 2026, with 15,027,133 trades. There are 761,288 1-minute bars on file.
On file
- First day
- 2014-10-16
- Last day
- 2026-11-09
- Trading days
- 3,033
- Trades
- 15,027,133
- 1-minute bars
- 761,288
- Bars, about
- 11 MB
- Trades, about
- 207 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 ATRA is not always one company.
Sample rows
| Time (ET) | Open | High | Low | Close | Volume | Trades |
|---|---|---|---|---|---|---|
| 09:30 | 7.87 | 7.87 | 7.87 | 7.87 | 538 | 3 |
| 09:35 | 7.6926 | 7.6926 | 7.6926 | 7.6926 | 504.0224 | 4 |
| 09:45 | 7.6987 | 7.6987 | 7.6987 | 7.6987 | 1,000 | 1 |
| 09:57 | 7.9 | 7.9 | 7.9 | 7.9 | 200 | 1 |
| 10:23 | 8.01 | 8.01 | 8.01 | 8.01 | 358 | 10 |
ATRA by year
| Year | Trading days on file | Trades |
|---|---|---|
| 2014 | 53 | 36,824 |
| 2015 | 252 | 605,165 |
| 2016 | 252 | 549,248 |
| 2017 | 251 | 509,650 |
| 2018 | 251 | 1,126,373 |
| 2019 | 252 | 1,242,189 |
| 2020 | 253 | 1,882,559 |
| 2021 | 252 | 1,610,516 |
| 2022 | 251 | 2,711,972 |
| 2023 | 250 | 2,107,622 |
| 2024 | 252 | 955,143 |
| 2025 | 250 | 313,308 |
| 2026 | 214 | 1,376,564 |