AMSChistorical intraday data
ListedAmerican Superconductor CorpNasdaq
American Superconductor Corp (AMSC) is a common stock listed on Nasdaq. AMSC has 5,828 trading days on file, from September 10, 2003 to November 9, 2026, with 27,040,851 trades. There are 1,504,507 1-minute bars on file.
On file
- First day
- 2003-09-10
- Last day
- 2026-11-09
- Trading days
- 5,828
- Trades
- 27,040,851
- 1-minute bars
- 1,504,507
- Bars, about
- 22 MB
- Trades, about
- 373 MB
- Quotes, about
- 529 MB
Sizes are approximate: this ticker’s share of the Parquet files.
Trading history
Symbols get reused, so the history under AMSC is not always one company.
Sample rows
| Time (ET) | Open | High | Low | Close | Volume | Trades |
|---|---|---|---|---|---|---|
| 09:30 | 23.95 | 23.95 | 23.83 | 23.905 | 18,264.999475 | 80 |
| 09:31 | 23.97 | 24.15 | 23.97 | 24.04 | 5,647.54226 | 91 |
| 09:32 | 23.93 | 23.96 | 23.65 | 23.65 | 2,129.302369 | 55 |
| 09:33 | 23.705 | 23.705 | 23.705 | 23.705 | 1,024.185 | 21 |
| 09:34 | 23.705 | 23.89 | 23.705 | 23.84 | 2,400.574331 | 38 |
AMSC by year
| Year | Trading days on file | Trades |
|---|---|---|
| 2003 | 79 | 70,705 |
| 2004 | 252 | 208,206 |
| 2005 | 252 | 264,454 |
| 2006 | 251 | 279,591 |
| 2007 | 251 | 672,252 |
| 2008 | 253 | 1,444,048 |
| 2009 | 252 | 1,292,332 |
| 2010 | 252 | 1,412,258 |
| 2011 | 252 | 1,730,288 |
| 2012 | 250 | 573,231 |
| 2013 | 252 | 487,730 |
| 2014 | 252 | 599,839 |
| 2015 | 252 | 156,307 |
| 2016 | 252 | 146,610 |
| 2017 | 251 | 197,807 |
| 2018 | 251 | 287,752 |
| 2019 | 252 | 549,187 |
| 2020 | 253 | 715,130 |
| 2021 | 252 | 1,068,692 |
| 2022 | 251 | 809,465 |
| 2023 | 250 | 2,195,959 |
| 2024 | 252 | 3,366,198 |
| 2025 | 250 | 4,511,946 |
| 2026 | 214 | 4,000,864 |