EFOIhistorical intraday data
ListedEnergy Focus, Inc.Nasdaq
Energy Focus, Inc. (EFOI) is a common stock listed on Nasdaq. EFOI has 4,228 trading days on file, from May 9, 2007 to November 9, 2026, with 6,064,239 trades. There are 286,246 1-minute bars on file.
On file
- First day
- 2007-05-09
- Last day
- 2026-11-09
- Trading days
- 4,228
- Trades
- 6,064,239
- 1-minute bars
- 286,246
- Bars, about
- 4.4 MB
- Trades, about
- 83 MB
- Quotes, about
- 79 MB
Sizes are approximate: this ticker’s share of the Parquet files.
Trading history
No EFOI data for 2012 to 2013. A gap usually means the symbol belonged to a different company before and after it. The name above is the latest on record.
Sample rows
| Time (ET) | Open | High | Low | Close | Volume | Trades |
|---|---|---|---|---|---|---|
| 09:30 | 4.04 | 4.04 | 4.04 | 4.04 | 387.826254 | 5 |
| 09:35 | 4.035 | 4.035 | 4.035 | 4.035 | 123 | 2 |
| 09:41 | 4.18 | 4.18 | 4.12 | 4.18 | 679 | 7 |
| 09:50 | 4.19 | 4.19 | 4.19 | 4.19 | 312 | 7 |
| 09:51 | 4.2 | 4.2 | 4.2 | 4.2 | 733 | 4 |
EFOI by year
| Year | Trading days on file | Trades |
|---|---|---|
| 2007 | 164 | 34,417 |
| 2008 | 253 | 32,660 |
| 2009 | 252 | 14,947 |
| 2010 | 252 | 46,641 |
| 2011 | 229 | 36,888 |
| 2014 | 102 | 60,540 |
| 2015 | 252 | 327,657 |
| 2016 | 252 | 230,571 |
| 2017 | 251 | 51,812 |
| 2018 | 251 | 23,152 |
| 2019 | 252 | 117,554 |
| 2020 | 253 | 268,845 |
| 2021 | 252 | 1,561,868 |
| 2022 | 251 | 715,708 |
| 2023 | 246 | 43,916 |
| 2024 | 252 | 134,422 |
| 2025 | 250 | 438,227 |
| 2026 | 214 | 1,924,414 |