CIhistorical intraday data
ListedThe Cigna GroupNYSE
The Cigna Group (CI) is a common stock listed on NYSE. The archive holds 5,828 trading days of CI, from September 10, 2003 to November 9, 2026, with 111,982,499 trades. There are 2,220,023 1-minute bars on file.
On file
- First day
- 2003-09-10
- Last day
- 2026-11-09
- Trading days
- 5,828
- Trades
- 111,982,499
- 1-minute bars
- 2,220,023
- Bars, about
- 33 MB
- Trades, about
- 1.5 GB
- Quotes, about
- 1.9 GB
Sizes are approximate: this ticker’s share of the Parquet files.
Trading history
Symbols get reused, so the history under CI is not always one company.
Sample rows
| Time (ET) | Open | High | Low | Close | Volume | Trades |
|---|---|---|---|---|---|---|
| 09:30 | 295 | 296 | 294.02 | 294.635 | 18,311.232115 | 210 |
| 09:31 | 294.42 | 295.34 | 294.025 | 294.025 | 2,017.226432 | 88 |
| 09:32 | 294.675 | 294.675 | 294.67 | 294.67 | 368.162132 | 36 |
| 09:33 | 294.69 | 294.69 | 294.69 | 294.69 | 479.494868 | 27 |
| 09:34 | 294.69 | 294.87 | 294.69 | 294.87 | 427.904024 | 32 |
CI by year
| Year | Trading days on file | Trades |
|---|---|---|
| 2003 | 79 | 149,447 |
| 2004 | 252 | 618,443 |
| 2005 | 252 | 732,365 |
| 2006 | 251 | 1,023,985 |
| 2007 | 251 | 1,986,248 |
| 2008 | 253 | 4,673,893 |
| 2009 | 252 | 6,741,623 |
| 2010 | 252 | 4,389,598 |
| 2011 | 252 | 4,323,388 |
| 2012 | 250 | 3,889,991 |
| 2013 | 252 | 2,686,831 |
| 2014 | 252 | 3,542,041 |
| 2015 | 252 | 4,131,200 |
| 2016 | 252 | 3,038,670 |
| 2017 | 251 | 3,061,134 |
| 2018 | 251 | 5,462,049 |
| 2019 | 252 | 5,635,960 |
| 2020 | 253 | 6,631,019 |
| 2021 | 252 | 6,793,895 |
| 2022 | 251 | 8,086,955 |
| 2023 | 250 | 8,242,272 |
| 2024 | 252 | 7,719,820 |
| 2025 | 250 | 9,413,804 |
| 2026 | 214 | 9,007,868 |