IONShistorical intraday data
ListedIonis Pharmaceuticals, Inc. Common StockNasdaq
Ionis Pharmaceuticals, Inc. Common Stock (IONS) is a common stock listed on Nasdaq. IONS has 2,734 trading days on file, from December 22, 2015 to November 9, 2026, with 43,573,844 trades. There are 992,713 1-minute bars on file.
On file
- First day
- 2015-12-22
- Last day
- 2026-11-09
- Trading days
- 2,734
- Trades
- 43,573,844
- 1-minute bars
- 992,713
- Bars, about
- 15 MB
- Trades, about
- 602 MB
- Quotes, about
- 548 MB
Sizes are approximate: this ticker’s share of the Parquet files.
Trading history
Symbols get reused, so the history under IONS is not always one company.
Sample rows
| Time (ET) | Open | High | Low | Close | Volume | Trades |
|---|---|---|---|---|---|---|
| 09:30 | 32.27 | 32.27 | 31.08 | 31.755 | 139,920.972655 | 891 |
| 09:31 | 31.7 | 31.97 | 31.495 | 31.82 | 79,091.44339 | 513 |
| 09:32 | 31.82 | 32.58 | 31.735 | 32.328 | 83,274.19918 | 580 |
| 09:33 | 32.36 | 32.46 | 32 | 32.225 | 67,751.717235 | 570 |
| 09:34 | 32.23 | 32.37 | 31.7615 | 31.96 | 94,267.263382 | 764 |
IONS by year
| Year | Trading days on file | Trades |
|---|---|---|
| 2015 | 7 | 37,186 |
| 2016 | 252 | 3,988,118 |
| 2017 | 251 | 2,893,068 |
| 2018 | 250 | 2,372,285 |
| 2019 | 252 | 2,894,848 |
| 2020 | 253 | 2,683,037 |
| 2021 | 252 | 3,441,462 |
| 2022 | 251 | 3,527,437 |
| 2023 | 250 | 3,667,868 |
| 2024 | 252 | 4,364,243 |
| 2025 | 250 | 6,649,658 |
| 2026 | 214 | 7,054,634 |