| ATRA | The short sale volume percent (not short interest) for stock ticker ATRA is 66% on Jan 09, 2026. The short sale volume is 274,458. The total volume is 417,487. The short sale volume percent is down -2% compare to Jan 08, 2026. | ||
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| Insider Buying |
| The Volume and short volume are limited. It is not including all volumes from all Market. | |||
| Date | Short Volume | Total Volume | Percent |
| 2026-01-09 | 274,458 | 417,487 | 66% |
| 2026-01-08 | 155,815 | 228,518 | 68% |
| 2026-01-07 | 91,368 | 135,061 | 68% |
| 2026-01-06 | 61,970 | 112,426 | 55% |
| 2026-01-05 | 47,685 | 95,081 | 50% |
| 2026-01-02 | 17,832 | 48,905 | 36% |
| 2025-12-31 | 10,577 | 32,440 | 33% |
| 2025-12-30 | 7,159 | 22,055 | 32% |
| 2025-12-29 | 7,070 | 30,450 | 23% |
| 2025-12-26 | 14,119 | 40,025 | 35% |
| Last 5 days short percent | 63.86% |
| Last 10 days short percent | 59.19% |
| Last 20 days short percent | 52.38% |
| Last 50 days short percent | 45.89% |
| Related Stock Ticker | ||||
| Date | Ticker | Short Volume | Total Volume | Percent |
| 2026-01-09 | XLV | 1,675,228 | 2,460,519 | 68% |