Enter a ticker symbol for fails to deliver information:

ACUMEN PHARMACEUTICALS INC -- ABOS
Fails to Deliver

Short Interest | Short Volume | Borrow Data | Fails to Deliver

Date	Price	Fails to Deliver
2023-04-27	3.76	2251
2023-04-20	4.00	1914
2023-04-11	3.83	29
2023-04-10	3.77	275
2023-04-05	3.84	39
2023-04-04	4.31	3187
2023-04-03	4.06	1795
2023-03-30	4.07	2729
2023-03-29	4.01	3685
2023-03-27	3.92	1491
2023-03-24	3.98	5025
2023-03-20	3.87	695
2023-03-13	4.56	899
2023-03-09	5.52	673
2023-03-07	5.40	3113
2023-03-03	5.12	2273
2023-03-01	5.27	1967

... naked short selling is economically equivalent to a zero-fee zero-rebate loan to the naked short seller from a participant that involuntarily fails to receive shares...
Naked Short Sales and Fails to Deliver: An Overview of Clearing and Settlement Procedures for Stock Trades in the US

Naked short selling is an important and under-reported phenomenon in the US capital markets. Keep track of the data for all of your stocks here.