卖空份额（暗池和交易所数据）
ATEC / Alphatec Holdings, 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 |
||||
|---|---|---|---|---|---|---|---|---|---|
| 2025-09-08 | 291,270 | + | 1,700 | = | 292,970 | / | 515,806 | = | 56.80 |
| 2025-09-05 | 133,128 | + | 1,500 | = | 134,628 | / | 369,422 | = | 36.44 |
| 2025-09-04 | 343,360 | + | 10,560 | = | 353,920 | / | 1,097,979 | = | 32.23 |
| 2025-09-03 | 186,147 | + | 1,650 | = | 187,797 | / | 634,167 | = | 29.61 |
| 2025-09-02 | 170,806 | + | 5,799 | = | 176,605 | / | 467,796 | = | 37.75 |
| 2025-08-29 | 183,953 | + | 850 | = | 184,803 | / | 522,724 | = | 35.35 |
| 2025-08-28 | 527,354 | + | 3,944 | = | 531,298 | / | 1,160,018 | = | 45.80 |
| 2025-08-27 | 143,402 | + | 100 | = | 143,502 | / | 597,650 | = | 24.01 |
| 2025-08-26 | 167,637 | + | 210 | = | 167,847 | / | 698,646 | = | 24.02 |
| 2025-08-25 | 124,060 | + | 2,502 | = | 126,562 | / | 505,475 | = | 25.04 |
| 2025-08-22 | 125,059 | + | 1,250 | = | 126,309 | / | 736,120 | = | 17.16 |
| 2025-08-21 | 154,943 | + | 1,213 | = | 156,156 | / | 719,017 | = | 21.72 |
| 2025-08-20 | 175,867 | + | 2,246 | = | 178,113 | / | 465,169 | = | 38.29 |
| 2025-08-19 | 450,547 | + | 958 | = | 451,505 | / | 1,085,190 | = | 41.61 |
| 2025-08-18 | 363,376 | + | 800 | = | 364,176 | / | 663,827 | = | 54.86 |
| 2025-08-15 | 224,609 | + | 7,579 | = | 232,188 | / | 543,320 | = | 42.74 |
| 2025-08-14 | 177,467 | + | 3,821 | = | 181,288 | / | 479,648 | = | 37.80 |
| 2025-08-13 | 302,800 | + | 2,500 | = | 305,300 | / | 702,068 | = | 43.49 |
| 2025-08-12 | 617,773 | + | 1,117 | = | 618,890 | / | 1,096,479 | = | 56.44 |
| 2025-08-11 | 305,442 | + | 1,592 | = | 307,034 | / | 910,643 | = | 33.72 |
