Historic short interest:
You can go to this link to check short interest in a stock:
http://nasdaqtrader.com/Trader.aspx?id=ShortInterest
Publication schedule is here:
http://nasdaqtrader.com/Trader.aspx?id=ShortIntPubSch
Settlement Date/Short Interest/Percent Change/
Average Daily Share Volume/Days to Cover
07/29/2022 1,746,873 (19.85) 6,303,479 1.00
07/15/2022 2,179,422 (39.79) 1,327,200 1.64
06/30/2022 3,619,764 (7.31) 33,483,408 1.00
06/15/2022 3,905,326 (9.94) 660,717 5.91
05/31/2022 4,336,346 (7.10) 1,027,956 4.22
05/13/2022 4,667,710 1.46 907,404 5.14
04/29/2022 4,600,366 (4.07) 1,022,544 4.50
04/14/2022 4,795,331 2.48 20,269,266 1.00
03/31/2022 4,679,444 17.24 1,574,888 2.97
03/15/2022 3,991,412 (5.83) 664,298 6.01
02/28/2022 4,238,562 (13.57) 998,748 4.24
02/15/2022 4,903,847 4.63 335,895 14.60
01/31/2022 4,686,922 (2.10) 531,080 8.83
01/14/2022 4,787,227 (3.46) 267,349 17.91
12/31/2021 4,958,767 (2.68) 403,991 12.27
12/15/2021 5,095,296 18.63 336,459 15.14
11/30/2021 4,295,074 (7.76) 313,238 13.71
11/15/2021 4,656,557 6.87 268,131 17.37
10/29/2021 4,357,085 3.37 248,609 17.53
10/15/2021 4,214,962 (3.85) 189,943 22.19
09/30/2021 4,383,938 12.14 406,772 10.78
09/15/2021 3,909,300 1.37 295,906 13.21
08/31/2021 3,856,616 15.61 268,864 14.34
08/13/2021 3,335,970 3.98 171,925 19.40
07/30/2021 3,208,401 (9.88) 199,199 16.11
07/15/2021 3,560,301 (1.14) 350,236 10.17
06/30/2021 3,601,467 14.39 710,616 5.07
06/15/2021 3,148,311 (7.52) 264,331 11.91
05/28/2021 3,404,331 10.65 371,002 9.18
05/14/2021 3,076,658 (1.88) 320,563 9.60
04/30/2021 3,135,448 (22.22) 393,433 7.97
04/15/2021 4,031,176 1.19 308,706 13.06
03/31/2021 3,983,604 147.67 1,119,279 3.56
03/15/2021 1,608,410 37.20 436,676 3.68
02/26/2021 1,172,333 10.38 714,083 1.64
02/12/2021 1,062,081 75.87 983,824 1.08
01/29/2021 603,918 19.53 901,187 1.00
01/15/2021 505,253 60.15 1,265,763 1.00
12/31/2020 315,486 14.25 1,291,599 1.00
12/15/2020 276,132 696.89 2,329,085 1.00
11/30/2020 34,651 64.44 385,117 1.00
11/13/2020 21,072 (8.30) 51,859 1.00
10/30/2020 22,979 14.30 109,668 1.00
10/15/2020 20,104 332.72 369,485 1.00
09/30/2020 4,646 114.10 211,307 1.00
09/15/2020 2,170 136.13 67,112 1.00
