ATAI	The short sale volume percent (not short interest) for stock ticker ATAI is 37% on Sep 17, 2025. The short sale volume is 474,077. The total volume is 1,283,260. The short sale volume percent is down -2% compare to Sep 16, 2025.

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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
2025-09-17	474,077	1,283,260	37%
2025-09-16	389,056	1,003,417	39%
2025-09-15	364,177	1,330,967	27%
2025-09-12	453,841	1,735,424	26%
2025-09-11	449,523	1,706,220	26%
2025-09-10	647,198	2,221,589	29%
2025-09-09	717,111	2,926,824	25%
2025-09-08	372,260	1,178,818	32%
2025-09-05	527,061	1,606,847	33%
2025-09-04	1,098,791	2,348,832	47%

Last 5 days short percent	30.18%
Last 10 days short percent	31.67%
Last 20 days short percent	33.94%
Last 50 days short percent	39.81%