卖空份额（暗池和交易所数据）
NSSC / Napco Security Technologies, 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 |
||||
|---|---|---|---|---|---|---|---|---|---|
| 2025-09-09 | 68,752 | + | 100 | = | 68,852 | / | 150,478 | = | 45.76 |
| 2025-09-08 | 42,289 | + | = | / | = | ||||
| 2025-09-05 | 92,984 | + | = | / | = | ||||
| 2025-09-04 | 76,959 | + | 400 | = | 77,359 | / | 218,295 | = | 35.44 |
| 2025-09-03 | 99,005 | + | 859 | = | 99,864 | / | 163,225 | = | 61.18 |
| 2025-09-02 | 75,010 | + | 0 | = | 75,010 | / | 346,162 | = | 21.67 |
| 2025-08-29 | 41,560 | + | 0 | = | 41,560 | / | 107,431 | = | 38.69 |
| 2025-08-28 | 64,513 | + | 200 | = | 64,713 | / | 187,323 | = | 34.55 |
| 2025-08-27 | 70,904 | + | 2,113 | = | 73,017 | / | 207,333 | = | 35.22 |
| 2025-08-26 | 148,349 | + | 2,386 | = | 150,735 | / | 365,537 | = | 41.24 |
| 2025-08-25 | 324,704 | + | 3,353 | = | 328,057 | / | 627,130 | = | 52.31 |
| 2025-08-22 | 51,796 | + | 300 | = | 52,096 | / | 106,789 | = | 48.78 |
| 2025-08-21 | 68,730 | + | 248 | = | 68,978 | / | 105,312 | = | 65.50 |
| 2025-08-20 | 28,812 | + | 200 | = | 29,012 | / | 59,617 | = | 48.66 |
| 2025-08-19 | 26,032 | + | 400 | = | 26,432 | / | 65,353 | = | 40.44 |
| 2025-08-18 | 17,204 | + | 300 | = | 17,504 | / | 61,042 | = | 28.68 |
| 2025-08-15 | 24,454 | + | = | / | = | ||||
| 2025-08-14 | 27,247 | + | 300 | = | 27,547 | / | 77,699 | = | 35.45 |
| 2025-08-13 | 35,980 | + | 1,700 | = | 37,680 | / | 93,691 | = | 40.22 |
| 2025-08-12 | 27,027 | + | 800 | = | 27,827 | / | 73,411 | = | 37.91 |
| 2025-08-11 | 17,668 | + | 100 | = | 17,768 | / | 46,717 | = | 38.03 |
