ERThistorical intraday data
DelistedEresearch Tech Inc
Eresearch Tech Inc (ERT) was delisted on July 5, 2012. Its last trading day on file was July 3, 2012. The archive holds 336 trading days of ERT, from March 7, 2011 to July 3, 2012, with 328,593 trades. There are 65,153 1-minute bars on file.
On file
- First day
- 2011-03-07
- Last day
- 2012-07-03
- Trading days
- 336
- Trades
- 328,593
- 1-minute bars
- 65,153
- Bars, about
- 993 KB
- Trades, about
- 4.5 MB
- Quotes, about
- 24 MB
Sizes are approximate: this ticker’s share of the Parquet files.
Trading history
Symbols get reused, so the history under ERT is not always one company.
ERT by year
| Year | Trading days on file | Trades |
|---|---|---|
| 2011 | 209 | 156,571 |
| 2012 | 127 | 172,022 |