ATAI	The short sale volume percent (not short interest) for stock ticker ATAI is 37% on Nov 21, 2025. The short sale volume is 545,377. The total volume is 1,491,047. The short sale volume percent is up 10% compare to Nov 20, 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
2025-11-21	545,377	1,491,047	37%
2025-11-20	592,542	2,206,636	27%
2025-11-19	356,100	1,219,655	29%
2025-11-18	395,486	2,115,010	19%
2025-11-17	328,413	1,905,025	17%
2025-11-14	385,510	2,136,215	18%
2025-11-13	472,128	2,096,110	23%
2025-11-12	491,194	1,424,140	34%
2025-11-11	840,022	1,918,964	44%
2025-11-10	903,187	2,223,167	41%

Last 5 days short percent	24.82%
Last 10 days short percent	28.34%
Last 20 days short percent	29.51%
Last 50 days short percent	31.74%