卖空份额（暗池和交易所数据）
ALEC / Alector, Inc. 卖空份额如下表所示。卖空份额显示在各种交易场所标记为卖空的交易数量。有关如何解释此数据的更多信息，请阅读FINRA提供的此 信息通知。
- FINRA空头份额
- FINRA报告的场外交易空头股票数量。这包括豁免和非豁免
- CBOE空头份额
- CBOE报告的空头份额
- PSX/BX空头份额
- 纳斯达克报告的在PSX/BX交易场所交易的空头股票数量
- 累计空头份额
- FINRA空头份额+芝加哥期货交易所空头份额+PSX/BX空头份额
- 累计总份额
- FINRA总份额+纽约期货交易所总份额+PSX/BX总份额
- 累计空头份额比率
- 累计空头份额/累计交易额
更新频率：每日收盘
| 市场日期 | FINRA 空头份额 |
PSX/BX 空头份额 |
累计 空头份额 |
累计 总份额 |
累计 空头份额比率 |
||||
|---|---|---|---|---|---|---|---|---|---|
| 2025-09-05 | 305,975 | + | 2,100 | = | 308,075 | / | 802,628 | = | 38.38 |
| 2025-09-04 | 239,338 | + | 100 | = | 239,438 | / | 471,683 | = | 50.76 |
| 2025-09-03 | 352,130 | + | 1,869 | = | 353,999 | / | 753,741 | = | 46.97 |
| 2025-09-02 | 567,932 | + | 1,818 | = | 569,750 | / | 980,844 | = | 58.09 |
| 2025-08-29 | 83,015 | + | 100 | = | 83,115 | / | 176,671 | = | 47.05 |
| 2025-08-28 | 145,054 | + | 3,359 | = | 148,413 | / | 334,361 | = | 44.39 |
| 2025-08-27 | 129,999 | + | 600 | = | 130,599 | / | 255,603 | = | 51.09 |
| 2025-08-26 | 97,321 | + | 219 | = | 97,540 | / | 247,995 | = | 39.33 |
| 2025-08-25 | 155,895 | + | 300 | = | 156,195 | / | 378,638 | = | 41.25 |
| 2025-08-22 | 178,189 | + | 880 | = | 179,069 | / | 645,584 | = | 27.74 |
| 2025-08-21 | 80,480 | + | 100 | = | 80,580 | / | 289,553 | = | 27.83 |
| 2025-08-20 | 212,878 | + | 1,145 | = | 214,023 | / | 576,667 | = | 37.11 |
| 2025-08-19 | 174,788 | + | 1,299 | = | 176,087 | / | 784,501 | = | 22.45 |
| 2025-08-18 | 123,617 | + | 600 | = | 124,217 | / | 693,817 | = | 17.90 |
| 2025-08-15 | 134,116 | + | 500 | = | 134,616 | / | 883,575 | = | 15.24 |
| 2025-08-14 | 204,034 | + | 100 | = | 204,134 | / | 1,470,443 | = | 13.88 |
| 2025-08-13 | 125,194 | + | 0 | = | 125,194 | / | 768,172 | = | 16.30 |
| 2025-08-12 | 201,309 | + | 5,023 | = | 206,332 | / | 862,176 | = | 23.93 |
| 2025-08-11 | 709,329 | + | 2,671 | = | 712,000 | / | 2,156,501 | = | 33.02 |
