SIALhistorical intraday data
DelistedSigma - Aldrich CorpNasdaq
Sigma - Aldrich Corp (SIAL) was delisted on November 19, 2015 from Nasdaq. Its last trading day on file was November 17, 2015. SIAL has 3,070 trading days on file, from September 10, 2003 to November 17, 2015, with 15,559,702 trades. There are 1,079,862 1-minute bars on file.
On file
- First day
- 2003-09-10
- Last day
- 2015-11-17
- Trading days
- 3,070
- Trades
- 15,559,702
- 1-minute bars
- 1,079,862
- Bars, about
- 16 MB
- Trades, about
- 215 MB
- Quotes, about
- 786 MB
Sizes are approximate: this ticker’s share of the Parquet files.
Trading history
Symbols get reused, so the history under SIAL is not always one company.
SIAL by year
| Year | Trading days on file | Trades |
|---|---|---|
| 2003 | 79 | 167,091 |
| 2004 | 252 | 532,821 |
| 2005 | 252 | 576,128 |
| 2006 | 251 | 577,585 |
| 2007 | 251 | 1,261,223 |
| 2008 | 253 | 2,705,894 |
| 2009 | 252 | 2,015,583 |
| 2010 | 252 | 1,324,368 |
| 2011 | 252 | 1,366,565 |
| 2012 | 250 | 1,016,065 |
| 2013 | 252 | 1,052,631 |
| 2014 | 252 | 1,547,747 |
| 2015 | 222 | 1,416,001 |