KOSShistorical intraday data
ListedKoss CorpNasdaq
Koss Corp (KOSS) is a common stock listed on Nasdaq. KOSS has 5,230 trading days on file, from September 11, 2003 to November 9, 2026, with 7,813,051 trades. There are 211,390 1-minute bars on file.
On file
- First day
- 2003-09-11
- Last day
- 2026-11-09
- Trading days
- 5,230
- Trades
- 7,813,051
- 1-minute bars
- 211,390
- Bars, about
- 3.3 MB
- Trades, about
- 108 MB
- Quotes, about
- 137 MB
Sizes are approximate: this ticker’s share of the Parquet files.
Trading history
Symbols get reused, so the history under KOSS is not always one company.
Sample rows
| Time (ET) | Open | High | Low | Close | Volume | Trades |
|---|---|---|---|---|---|---|
| 09:54 | 3.21 | 3.23 | 3.2 | 3.23 | 1,871 | 6 |
| 09:57 | 3.25 | 3.375 | 3.25 | 3.375 | 2,019 | 14 |
| 09:58 | 3.375 | 3.38 | 3.375 | 3.38 | 329 | 6 |
| 10:00 | 3.38 | 3.38 | 3.38 | 3.38 | 100 | 1 |
| 10:06 | 3.27 | 3.32 | 3.27 | 3.32 | 300 | 3 |
KOSS by year
| Year | Trading days on file | Trades |
|---|---|---|
| 2003 | 59 | 382 |
| 2004 | 164 | 897 |
| 2005 | 181 | 1,311 |
| 2006 | 219 | 3,279 |
| 2007 | 182 | 1,654 |
| 2008 | 157 | 1,185 |
| 2009 | 147 | 1,224 |
| 2010 | 231 | 7,258 |
| 2011 | 246 | 4,430 |
| 2012 | 230 | 2,808 |
| 2013 | 236 | 3,093 |
| 2014 | 246 | 14,080 |
| 2015 | 244 | 11,826 |
| 2016 | 235 | 9,802 |
| 2017 | 247 | 59,986 |
| 2018 | 247 | 55,685 |
| 2019 | 240 | 14,545 |
| 2020 | 250 | 131,760 |
| 2021 | 252 | 4,647,951 |
| 2022 | 251 | 388,539 |
| 2023 | 250 | 95,903 |
| 2024 | 252 | 2,035,307 |
| 2025 | 250 | 222,418 |
| 2026 | 214 | 97,728 |