ISIhistorical intraday data
Delisted
ISI was delisted. Its last trading day on file was October 16, 2012. ISI has 2,198 trading days on file, from January 23, 2004 to October 16, 2012, with 181,254 trades. There are 86,688 1-minute bars on file.
On file
- First day
- 2004-01-23
- Last day
- 2012-10-16
- Trading days
- 2,198
- Trades
- 181,254
- 1-minute bars
- 86,688
- Bars, about
- 1.3 MB
- Trades, about
- 2.5 MB
- Quotes, about
- 415 MB
Sizes are approximate: this ticker’s share of the Parquet files.
Trading history
Symbols get reused, so the history under ISI is not always one company.
ISI by year
| Year | Trading days on file | Trades |
|---|---|---|
| 2004 | 236 | 6,738 |
| 2005 | 252 | 9,463 |
| 2006 | 251 | 6,312 |
| 2007 | 250 | 17,590 |
| 2008 | 253 | 56,643 |
| 2009 | 252 | 43,397 |
| 2010 | 252 | 15,876 |
| 2011 | 252 | 14,631 |
| 2012 | 200 | 10,604 |