DFFNhistorical intraday data
DelistedDiffusion Pharmaceuticals IncNasdaq
Diffusion Pharmaceuticals Inc (DFFN) is a common stock. It was delisted on August 17, 2023 from Nasdaq. Its last trading day on file was August 16, 2023. DFFN has 1,696 trading days on file, from November 9, 2016 to August 16, 2023, with 3,589,629 trades. There are 265,345 1-minute bars on file.
On file
- First day
- 2016-11-09
- Last day
- 2023-08-16
- Trading days
- 1,696
- Trades
- 3,589,629
- 1-minute bars
- 265,345
- Bars, about
- 4 MB
- Trades, about
- 49 MB
- Quotes, about
- 29 MB
Sizes are approximate: this ticker’s share of the Parquet files.
Trading history
Symbols get reused, so the history under DFFN is not always one company.
DFFN by year
| Year | Trading days on file | Trades |
|---|---|---|
| 2016 | 32 | 666 |
| 2017 | 249 | 234,791 |
| 2018 | 251 | 207,242 |
| 2019 | 252 | 440,865 |
| 2020 | 253 | 1,230,373 |
| 2021 | 252 | 1,268,369 |
| 2022 | 251 | 168,173 |
| 2023 | 156 | 39,150 |