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
05/31/2023 9,688,582 (3.55) 1,431,782 6.77
05/15/2023 10,044,973 (11.65) 1,935,297 5.19
04/28/2023 11,369,119 0.86 1,271,244 8.94
04/14/2023 11,271,634 0.00 1,065,195 10.58
03/31/2023 11,271,856 1.00 1,263,910 8.92
03/15/2023 11,160,180 (5.01) 1,142,391 9.77
02/28/2023 11,749,175 (6.34) 1,603,689 7.33
02/15/2023 12,545,144 (7.42) 2,612,439 4.80
01/31/2023 13,551,280 (2.98) 1,389,279 9.75
01/13/2023 13,967,464 (4.06) 1,435,571 9.73
12/30/2022 14,558,457 26.95 3,808,503 3.82
12/15/2022 11,467,942 (2.45) 1,966,700 5.83
11/30/2022 11,755,622 (4.01) 1,532,832 7.67
11/15/2022 12,246,913 (5.54) 2,658,218 4.61
10/31/2022 12,965,302 3.53 1,593,187 8.14
10/14/2022 12,523,677 (0.59) 1,523,649 8.22
09/30/2022 12,597,381 (7.75) 1,631,068 7.72
09/15/2022 13,655,077 (1.88) 1,926,056 7.09
08/31/2022 13,916,788 (9.11) 1,714,313 8.12
08/15/2022 15,312,156 (9.01) 3,512,210 4.36
07/29/2022 16,827,977 10.05 2,227,282 7.56
07/15/2022 15,291,115 20.59 2,548,386 6.00
06/30/2022 12,680,107 (0.29) 2,334,207 5.43
06/15/2022 12,717,447 (4.97) 1,710,247 7.44
05/31/2022 13,383,136 (5.91) 2,256,531 5.93
05/13/2022 14,223,766 8.22 2,409,188 5.90
04/29/2022 13,143,544 10.94 1,672,066 7.86
04/14/2022 11,847,252 9.42 2,237,998 5.29
03/31/2022 10,827,323 (12.06) 3,649,517 2.97
03/15/2022 12,311,571 (0.30) 1,906,303 6.46
02/28/2022 12,349,200 22.93 2,863,719 4.31
02/15/2022 10,045,718 21.13 2,854,210 3.52
01/31/2022 8,293,234 210.96 3,009,954 2.76
01/14/2022 2,666,956 3.72 1,409,031 1.89
12/31/2021 2,571,337 40.72 1,677,546 1.53
12/15/2021 1,827,328 12.81 2,007,724 1.00
11/30/2021 1,619,794 (4.62) 2,414,079 1.00
11/15/2021 1,698,295 100.00 3,281,688 1.00
