卖空份额（暗池和交易所数据）
BUFD / First Trust Exchange-Traded Fund VIII - FT Vest Laddered Deep Buffer ETF 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 |
||||
|---|---|---|---|---|---|---|---|---|---|
| 2025-09-11 | 69,560 | + | 900 | = | 70,460 | / | 142,509 | = | 49.44 |
| 2025-09-10 | 108,774 | + | 701 | = | 109,475 | / | 199,774 | = | 54.80 |
| 2025-09-09 | 52,166 | + | 0 | = | 52,166 | / | 132,945 | = | 39.24 |
| 2025-09-08 | 69,264 | + | 300 | = | 69,564 | / | 133,556 | = | 52.09 |
| 2025-09-05 | 37,251 | + | 200 | = | 37,451 | / | 87,637 | = | 42.73 |
| 2025-09-04 | 41,794 | + | 0 | = | 41,794 | / | 118,422 | = | 35.29 |
| 2025-09-03 | 33,944 | + | 0 | = | 33,944 | / | 186,337 | = | 18.22 |
| 2025-09-02 | 105,284 | + | 300 | = | 105,584 | / | 155,121 | = | 68.07 |
| 2025-08-29 | 48,201 | + | 600 | = | 48,801 | / | 120,487 | = | 40.50 |
| 2025-08-28 | 40,920 | + | 4,628 | = | 45,548 | / | 150,851 | = | 30.19 |
| 2025-08-27 | 50,534 | + | 1,338 | = | 51,872 | / | 99,729 | = | 52.01 |
| 2025-08-26 | 111,639 | + | 300 | = | 111,939 | / | 157,394 | = | 71.12 |
| 2025-08-25 | 146,022 | + | 100 | = | 146,122 | / | 249,285 | = | 58.62 |
| 2025-08-22 | 177,720 | + | 1,493 | = | 179,213 | / | 229,674 | = | 78.03 |
| 2025-08-21 | 39,944 | + | 400 | = | 40,344 | / | 96,833 | = | 41.66 |
| 2025-08-20 | 73,938 | + | 1,275 | = | 75,213 | / | 149,868 | = | 50.19 |
| 2025-08-19 | 156,555 | + | 0 | = | 156,555 | / | 234,627 | = | 66.73 |
| 2025-08-18 | 18,158 | + | 0 | = | 18,158 | / | 262,874 | = | 6.91 |
| 2025-08-15 | 25,309 | + | 231 | = | 25,540 | / | 86,886 | = | 29.39 |
| 2025-08-14 | 87,202 | + | 4,366 | = | 91,568 | / | 164,635 | = | 55.62 |
| 2025-08-13 | 73,577 | + | 695 | = | 74,272 | / | 150,246 | = | 49.43 |
| 2025-08-12 | 55,970 | + | 6,932 | = | 62,902 | / | 169,175 | = | 37.18 |
